Fair Value Measurements (Financial Assets and Liabilities Carried at Fair Value) (Details) - USD ($) $ in Millions	Oct. 01, 2021	Dec. 31, 2020
Assets:
Available-for-sale debt securities	$ 21	$ 27
Investment in equity securities	318	176
Liabilities:
Cross-currency swap derivative contracts	133	622
Deferred compensation plans	123	111
Quoted Prices in Active Market (Level 1)
Assets:
Available-for-sale debt securities	0	0
Investment in equity securities	74	6
Liabilities:
Cross-currency swap derivative contracts	0	0
Deferred compensation plans	0	0
Significant Other Observable Inputs (Level 2)
Assets:
Available-for-sale debt securities	21	27
Investment in equity securities	0	0
Liabilities:
Cross-currency swap derivative contracts	133	622
Deferred compensation plans	123	111
Significant Unobservable Inputs (Level 3)
Assets:
Available-for-sale debt securities	0	0
Investment in equity securities	0	0
Liabilities:
Cross-currency swap derivative contracts	0	0
Deferred compensation plans	$ 0	$ 0