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. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Income Tax Disclosure [Abstract]
Income before income taxes, United States	$ 1,109	$ 830	$ 551
Income before income taxes, Foreign	565	97	222
Income before income taxes	1,674	927	773
Income taxes, currently payable, Federal	358	173	212
Income taxes, currently payable, State	31	26	42
Income taxes, currently payable, Foreign	79	60	74
Income taxes, currently payable	468	259	328
Income taxes, deferred, Federal	(39)	16	(136)
Income taxes, deferred, State	8	6	(14)
Income taxes, deferred, Foreign	(25)	(48)	(19)
Income taxes, deferred	(56)	(26)	(169)
Total income taxes	$ 412	$ 233	$ 159