Pension, Other Postretirement Benefits and Savings Plans - Benefit Costs and Amounts Recognized in Other Comprehensive (Income) Loss (Details) - USD ($) $ in Millions |
12 Months Ended |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
| Benefits cost (credit): |
|
|
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest Expense
|
Interest Expense
|
Interest Expense
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
|
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement and Curtailment Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Defined Benefit Plan Curtailments And Settlements
|
Defined Benefit Plan Curtailments And Settlements
|
Defined Benefit Plan Curtailments And Settlements
|
| Pension Plan [Member] |
|
|
|
| Benefits cost (credit): |
|
|
|
| Service cost |
$ 37
|
|
|
| Other Postretirement Benefits Plan [Member] |
|
|
|
| Benefits cost (credit): |
|
|
|
| Service cost |
2
|
$ 3
|
$ 3
|
| Interest cost |
16
|
12
|
9
|
| Expected return on plan assets |
$ 0
|
$ 0
|
$ 0
|
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
|
| Amortization of prior service cost (credit) |
$ (1)
|
$ (1)
|
$ (6)
|
| Amortization of net losses |
$ (9)
|
$ 2
|
$ 3
|
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
|
| Net periodic cost |
$ 8
|
$ 16
|
$ 9
|
| Net curtailments/settlements /termination benefits |
0
|
0
|
0
|
| Benefits cost |
8
|
16
|
9
|
| Recognized in other comprehensive (income) loss before tax and minority: |
|
|
|
| Prior service cost (credit) from plan amendments |
0
|
0
|
(4)
|
| (Decrease) increase in net actuarial losses |
1
|
(101)
|
(20)
|
| Amortization of prior service (cost) credit in net periodic cost |
1
|
1
|
6
|
| Amortization of net losses in net periodic cost |
9
|
(2)
|
(3)
|
| Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements, and divestitures |
0
|
0
|
0
|
| Total recognized in other comprehensive (income) loss before tax and minority |
11
|
(102)
|
(21)
|
| Total recognized in total benefits cost and other comprehensive (income) loss before tax and minority |
19
|
(86)
|
(12)
|
| UNITED STATES | Pension Plan [Member] |
|
|
|
| Benefits cost (credit): |
|
|
|
| Service cost |
8
|
13
|
9
|
| Interest cost |
195
|
133
|
94
|
| Expected return on plan assets |
$ (231)
|
$ (214)
|
$ (196)
|
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
|
| Amortization of prior service cost (credit) |
$ 0
|
$ 0
|
$ 0
|
| Amortization of net losses |
98
|
101
|
107
|
| Net periodic cost |
70
|
33
|
14
|
| Net curtailments/settlements /termination benefits |
34
|
124
|
41
|
| Benefits cost |
104
|
157
|
55
|
| Recognized in other comprehensive (income) loss before tax and minority: |
|
|
|
| Prior service cost (credit) from plan amendments |
0
|
6
|
0
|
| (Decrease) increase in net actuarial losses |
40
|
(99)
|
(45)
|
| Amortization of prior service (cost) credit in net periodic cost |
0
|
0
|
0
|
| Amortization of net losses in net periodic cost |
(98)
|
(101)
|
(107)
|
| Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements, and divestitures |
(34)
|
(124)
|
(41)
|
| Total recognized in other comprehensive (income) loss before tax and minority |
(92)
|
(318)
|
(193)
|
| Total recognized in total benefits cost and other comprehensive (income) loss before tax and minority |
12
|
(161)
|
(138)
|
| UNITED STATES | Other Postretirement Benefits Plan [Member] |
|
|
|
| Benefits cost (credit): |
|
|
|
| Benefits cost |
5
|
12
|
5
|
| Foreign Plan [Member] | Pension Plan [Member] |
|
|
|
| Benefits cost (credit): |
|
|
|
| Service cost |
18
|
24
|
30
|
| Interest cost |
108
|
60
|
47
|
| Expected return on plan assets |
$ (92)
|
$ (67)
|
$ (48)
|
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
|
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
|
| Amortization of prior service cost (credit) |
$ 2
|
$ 2
|
$ 1
|
| Amortization of net losses |
16
|
21
|
33
|
| Net periodic cost |
52
|
40
|
63
|
| Net curtailments/settlements /termination benefits |
7
|
0
|
2
|
| Benefits cost |
59
|
40
|
65
|
| Recognized in other comprehensive (income) loss before tax and minority: |
|
|
|
| Prior service cost (credit) from plan amendments |
(0)
|
(1)
|
3
|
| (Decrease) increase in net actuarial losses |
120
|
(10)
|
(136)
|
| Amortization of prior service (cost) credit in net periodic cost |
(2)
|
(2)
|
(2)
|
| Amortization of net losses in net periodic cost |
(16)
|
(21)
|
(33)
|
| Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements, and divestitures |
(13)
|
0
|
(2)
|
| Total recognized in other comprehensive (income) loss before tax and minority |
89
|
(34)
|
(170)
|
| Total recognized in total benefits cost and other comprehensive (income) loss before tax and minority |
148
|
6
|
(105)
|
| Foreign Plan [Member] | Other Postretirement Benefits Plan [Member] |
|
|
|
| Benefits cost (credit): |
|
|
|
| Benefits cost |
$ 3
|
$ 4
|
$ 4
|