Derivative Instruments Carrying Amount and Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Millions |
Dec. 30, 2023 |
Sep. 30, 2023 |
|---|---|---|
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||
| Hedged Liability, Fair Value Hedge | $ 12,677 | $ 12,187 |
| Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) | (1,313) | (1,753) |
| Current Portion of Borrowings | ||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||
| Hedged Liability, Fair Value Hedge | 2,381 | 1,439 |
| Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) | (60) | (59) |
| Borrowings | ||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||
| Hedged Liability, Fair Value Hedge | 10,296 | 10,748 |
| Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) | $ (1,253) | $ (1,694) |