Income Taxes Income before income taxes and the provision for U.S. federal, state and foreign taxes on earnings (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income before income taxes, United States	$ 851	$ 1,097	$ 835
Income before income taxes, Foreign	478	560	99
Income before income taxes	1,329	1,657	934
Income taxes, currently payable, Federal	7	358	173
Income taxes, currently payable, State	28	31	26
Income taxes, currently payable, Foreign	99	79	60
Income taxes, currently payable	134	468	259
Income taxes, deferred, Federal	109	(41)	18
Income taxes, deferred, State	(59)	8	6
Income taxes, deferred, Foreign	(3)	(25)	(48)
Income taxes, deferred	47	(58)	(24)
Total income taxes	$ 181	$ 410	$ 235