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. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Income Tax Disclosure [Abstract]
Income before income taxes, United States	$ 830	$ 551	$ 502
Income before income taxes, Foreign	97	222	323
Income before income taxes	927	773	825
Income taxes, currently payable, Federal	173	212	301
Income taxes, currently payable, State	26	42	36
Income taxes, currently payable, Foreign	60	74	103
Income taxes, currently payable	259	328	440
Income taxes, deferred, Federal	16	(136)	(186)
Income taxes, deferred, State	6	(14)	(14)
Income taxes, deferred, Foreign	(48)	(19)	(54)
Income taxes, deferred	(26)	(169)	(254)
Total income taxes	$ 233	$ 159	$ 186

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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