Accounting Policies Changes in Accounting Principles (Details) - USD ($) $ in Millions |
Dec. 28, 2019 |
Sep. 29, 2019 |
---|---|---|
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||
Operating Lease, Right-of-Use Asset | $ 527 | $ 549 |
Operating Lease, Liability | $ 528 | $ 546 |