Basis of Presentation (Details) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021 USD ($) $ / shares	Jul. 04, 2020 USD ($) $ / shares	Jul. 03, 2021 USD ($) borrowingGroup $ / shares	Jul. 04, 2020 USD ($) $ / shares
Number of borrowing groups | borrowingGroup			2
Cumulative catch-up method
Cumulative catch up adjustments	$ 15	$ 17	$ 29	$ 19
Change in accounting estimate financial effect, increase in net income or decrease in net loss	$ 11	$ 13	$ 22	$ 14
Change in accounting estimate financial effect increase in earnings per share diluted or decrease in earnings per share diluted | $ / shares	$ 0.05	$ 0.06	$ 0.10	$ 0.06
Gross favorable adjustments	$ 40	$ 46	$ 76	$ 73
Gross unfavorable adjustments	25	29	47	54
Recognized revenue form performance obligations satisfied in prior periods	$ 20	$ 22	$ 38	$ 26