Employee Benefits - Sensitivity Analysis on Funded Status (Detail) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
| Germany | Interest rate (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
|
€ (455)
|
€ (525)
|
| Expected increase in plan assets |
[1] |
415
|
465
|
| Expected net impact on funded status (de-) increase |
|
(40)
|
(60)
|
| Germany | Interest rate (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
|
435
|
500
|
| Expected (decrease) in plan assets |
[1] |
(415)
|
(465)
|
| Expected net impact on funded status (de-) increase |
|
20
|
35
|
| Germany | Credit spread (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
|
(455)
|
(525)
|
| Expected increase in plan assets |
[1] |
285
|
305
|
| Expected net impact on funded status (de-) increase |
|
(170)
|
(220)
|
| Germany | Credit spread (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
|
435
|
500
|
| Expected (decrease) in plan assets |
[1] |
(285)
|
(305)
|
| Expected net impact on funded status (de-) increase |
|
150
|
195
|
| Germany | Rate of price inflation (-50 bp) |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
[2] |
140
|
165
|
| Expected (decrease) in plan assets |
[1],[2] |
(180)
|
(260)
|
| Expected net impact on funded status (de-) increase |
[2] |
(40)
|
(95)
|
| Germany | Rate of price inflation (+50 bp) |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
[2] |
(250)
|
(280)
|
| Expected increase in plan assets |
[1],[2] |
180
|
260
|
| Expected net impact on funded status (de-) increase |
[2] |
(70)
|
(20)
|
| Germany | Rate of real increase in future compensation
levels (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO, net impact on funded status |
|
20
|
25
|
| Germany | Rate of real increase in future compensation
levels (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO, net impact on funded status |
|
(20)
|
(25)
|
| Germany | Longevity improvements by 10% |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
[3] |
(190)
|
(205)
|
| Expected increase in plan assets |
[3] |
0
|
0
|
| Expected net impact on funded status (de-) increase |
[3] |
(190)
|
(205)
|
| U.K. | Interest rate (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
|
(165)
|
(210)
|
| Expected increase in plan assets |
[1] |
150
|
225
|
| Expected net impact on funded status (de-) increase |
|
(15)
|
15
|
| U.K. | Interest rate (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
|
155
|
195
|
| Expected (decrease) in plan assets |
[1] |
(140)
|
(205)
|
| Expected net impact on funded status (de-) increase |
|
15
|
(10)
|
| U.K. | Credit spread (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
|
(165)
|
(210)
|
| Expected increase in plan assets |
[1] |
155
|
220
|
| Expected net impact on funded status (de-) increase |
|
(10)
|
10
|
| U.K. | Credit spread (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
|
155
|
195
|
| Expected (decrease) in plan assets |
[1] |
(145)
|
(200)
|
| Expected net impact on funded status (de-) increase |
|
10
|
(5)
|
| U.K. | Rate of price inflation (-50 bp) |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
[2] |
115
|
150
|
| Expected (decrease) in plan assets |
[1],[2] |
(120)
|
(150)
|
| Expected net impact on funded status (de-) increase |
[2] |
(5)
|
0
|
| U.K. | Rate of price inflation (+50 bp) |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
[2] |
(115)
|
(160)
|
| Expected increase in plan assets |
[1],[2] |
120
|
160
|
| Expected net impact on funded status (de-) increase |
[2] |
5
|
0
|
| U.K. | Rate of real increase in future compensation
levels (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO, net impact on funded status |
|
0
|
5
|
| U.K. | Rate of real increase in future compensation
levels (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO, net impact on funded status |
|
0
|
(5)
|
| U.K. | Longevity improvements by 10% |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
[3] |
(55)
|
(60)
|
| Expected increase in plan assets |
[3] |
55
|
55
|
| Expected net impact on funded status (de-) increase |
[3] |
0
|
(5)
|
| U.S. | Interest rate (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
|
(25)
|
(25)
|
| Expected increase in plan assets |
[1] |
15
|
20
|
| Expected net impact on funded status (de-) increase |
|
(10)
|
(5)
|
| U.S. | Interest rate (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
|
25
|
25
|
| Expected (decrease) in plan assets |
[1] |
(15)
|
(20)
|
| Expected net impact on funded status (de-) increase |
|
10
|
5
|
| U.S. | Credit spread (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
|
(50)
|
(55)
|
| Expected increase in plan assets |
[1] |
30
|
35
|
| Expected net impact on funded status (de-) increase |
|
(20)
|
(20)
|
| U.S. | Credit spread (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
|
45
|
50
|
| Expected (decrease) in plan assets |
[1] |
(30)
|
(35)
|
| Expected net impact on funded status (de-) increase |
|
15
|
15
|
| U.S. | Rate of price inflation (-50 bp) |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
[2] |
5
|
5
|
| Expected (decrease) in plan assets |
[1],[2] |
0
|
0
|
| Expected net impact on funded status (de-) increase |
[2] |
5
|
5
|
| U.S. | Rate of price inflation (+50 bp) |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
[2] |
(5)
|
(5)
|
| Expected increase in plan assets |
[1],[2] |
0
|
0
|
| Expected net impact on funded status (de-) increase |
[2] |
(5)
|
(5)
|
| U.S. | Rate of real increase in future compensation
levels (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO, net impact on funded status |
|
0
|
0
|
| U.S. | Rate of real increase in future compensation
levels (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO, net impact on funded status |
|
0
|
0
|
| U.S. | Longevity improvements by 10% |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
[3] |
(20)
|
(20)
|
| Expected increase in plan assets |
[3] |
0
|
0
|
| Expected net impact on funded status (de-) increase |
[3] |
(20)
|
(20)
|
| Other | Interest rate (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
|
(40)
|
(45)
|
| Expected increase in plan assets |
[1] |
15
|
15
|
| Expected net impact on funded status (de-) increase |
|
(25)
|
(30)
|
| Other | Interest rate (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
|
40
|
40
|
| Expected (decrease) in plan assets |
[1] |
(15)
|
(15)
|
| Expected net impact on funded status (de-) increase |
|
25
|
25
|
| Other | Credit spread (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
|
(45)
|
(50)
|
| Expected increase in plan assets |
[1] |
10
|
10
|
| Expected net impact on funded status (de-) increase |
|
(35)
|
(40)
|
| Other | Credit spread (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
|
45
|
45
|
| Expected (decrease) in plan assets |
[1] |
(10)
|
(10)
|
| Expected net impact on funded status (de-) increase |
|
35
|
35
|
| Other | Rate of price inflation (-50 bp) |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO |
[2] |
10
|
10
|
| Expected (decrease) in plan assets |
[1],[2] |
(5)
|
(5)
|
| Expected net impact on funded status (de-) increase |
[2] |
5
|
5
|
| Other | Rate of price inflation (+50 bp) |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
[2] |
(10)
|
(10)
|
| Expected increase in plan assets |
[1],[2] |
5
|
5
|
| Expected net impact on funded status (de-) increase |
[2] |
(5)
|
(5)
|
| Other | Rate of real increase in future compensation
levels (–50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| Decrease in DBO, net impact on funded status |
|
10
|
10
|
| Other | Rate of real increase in future compensation
levels (+50 bps): |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO, net impact on funded status |
|
(10)
|
(10)
|
| Other | Longevity improvements by 10% |
|
|
|
| Sensitivity Analysis on Funded Status [line items] |
|
|
|
| (Increase) in DBO |
[3] |
(10)
|
(10)
|
| Expected increase in plan assets |
[3] |
0
|
0
|
| Expected net impact on funded status (de-) increase |
[3] |
€ (10)
|
€ (10)
|
|
|