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Derivative Financial Instruments Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 29, 2023 | Dec. 30, 2022 | Dec. 29, 2023 | Dec. 30, 2022 | Jun. 30, 2023
Derivative Financial Instruments |  |  |  |  |
Net gain recognized from termination of interest rate swap | $ 0 | $ 0 | $ 104 | $ 0 |
Other, net |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |
Downward adjustments to write down the carrying amount of investments to fair value |  |  | (25) |  |
Interest rate swap |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |
Derivative, Cash Received on Hedge |  |  | 25 |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Reclassification for Discontinuance, before Tax |  |  | 6 |  |
Cash Flow Hedging [Member] |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |
Unrealized Gain (Loss) on Cash Flow Hedging Instruments |  |  | 4 |  | $ 12
Derivatives not designated as hedging instruments [Member] | Total return swap |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |
Derivative, notional amount | $ 107 |  | $ 107 |  |

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