Cash, Cash Equivalents, Restricted Cash and Borrowings Interest Expense, net (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 01, 2022	Jan. 02, 2021
Interest expense	$ (361)	$ (404)
Interest and investment income	34	113
Net periodic pension and postretirement benefit costs other than service costs	16	(33)
Interest expense, net	$ (311)	$ (324)

Amount of the cost of borrowed funds accounted for as interest expense.

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- Definition

The net amount of nonoperating interest income (expense).

+ References

No definition available.

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- Definition

Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

+ References

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- Definition

Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits.

+ References

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