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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2024 | Oct. 01, 2023 | Dec. 31, 2023
Derivative [Line Items] |  |  |
Accumulated other comprehensive income on derivatives, after tax | $ 795 |  |
Hedging exposure | 18 months |  |
Weighted average interest rate on non-current debt | 2.99% |  |
Excess of carrying value over fair value of debt |  | $ 1,000 |
Current Debt | $ 8,550 |  | $ 3,451
Commercial Paper |  |  |
Derivative [Line Items] |  |  |
Current Debt | $ 6,300 |  |
Weighted average interest rate | 5.25% |  |
Term | 3 months |  |
Forward foreign exchange contracts |  |  |
Derivative [Line Items] |  |  |
Collateral already posted, aggregate fair value | $ 2,200 |  |
Derivative, notional amount | 43,200 |  | 42,900
Cross currency interest rate swaps |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | 39,600 |  | 39,700
Interest Rate Swap |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | $ 10,000 |  | $ 10,000

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