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Summary of Cash Flows Arising From Lease Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 28, 2020
Mar. 28, 2020
Operating Cash Flows for Operating Leases $ 270 $ 495
Operating Cash Flows for Finance Leases 4 8
Finance Cash Flows for Finance Leases 16 23
Cash Outflow from Operating and Financing Leases $ 290 $ 526