Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
U.S. and foreign income before income taxes [Abstract]
Income from Continuing Operations Before Income Taxes	$ 1,318	$ 1,261	$ 1,374
Current Year Operations
Changes in valuation allowance [Roll Forward]
Valuation Allowance, Change in Amount	(14)	(17)	(28)
Changes in Judgement
Changes in valuation allowance [Roll Forward]
Valuation Allowance, Change in Amount	(17)	(24)	$ (6)
Continuing Operations [Member]
Valuation Allowance [Line Items]
Deferred Tax Assets, Net of Valuation Allowance, Current	$ 774	$ 591
Effective income tax rate reconciliation [Abstract]
U.S. federal statutory rate (in hundredths)	35.00%	35.00%	35.00%
State income tax, net of federal tax benefit (in hundredths)	1.10%	0.90%	0.60%
Statutory rate differential attributable to foreign operations (in hundredths)	(10.30%)	(14.30%)	(10.70%)
Adjustments to reserves and prior years (in hundredths)	(0.90%)	1.00%	0.10%
Change in valuation allowance (in hundredths)	(0.20%)	3.30%	1.60%
Other, net (in hundredths)	(0.10%)	(0.10%)	0.10%
Effective income tax rate (in hundredths)	24.60%	25.80%	26.70%
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
U.S. federal statutory rate	$ 461	$ 441	$ 481
State income tax, net of federal tax benefit	15	12	8
Statutory rate differential attributable to foreign operations	(136)	(180)	(147)
Adjustments to reserves and prior years	(11)	13	2
Change in valuation allowance	3	(41)	(22)
Other, net	(2)	(2)	2
Effective income tax rate	324	325	368
Details of income tax provision (benefit) [Abstract]
Current: Federal	123	268	239
Current: Foreign	161	131	173
Current: State	13	28	2
Total current income tax provision (benefit)	297	427	414
Deferred: Federal	18	(117)	(34)
Deferred: Foreign	3	15	(13)
Deferred: State	6	0	1
Total deferred income tax provision (benefit)	27	(102)	(46)
Effective income tax rate	324	325	368
U.S. and foreign income before income taxes [Abstract]
U.S.	366	479	506
Foreign	952	782	868
Income from Continuing Operations Before Income Taxes	$ 1,318	$ 1,261	$ 1,374