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Recent Accounting Pronouncements Recent Accounting Pronouncements (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 17, 2017
Jun. 11, 2016
Jun. 17, 2017
Jun. 11, 2016
Dec. 31, 2016
Recently Issued Accounting Pronouncement [Line Items]          
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation       $ 56,000,000  
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets         $ 639,000,000
Income Statement Location [Member]          
Recently Issued Accounting Pronouncement [Line Items]          
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation $ 11,000,000 $ 3,000,000 $ 71,000,000 56,000,000  
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification $ 0.01   0.05 0.04  
Cash Flow Statement Location [Member]          
Recently Issued Accounting Pronouncement [Line Items]          
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification     $ 222,000,000 $ 186,000,000