Long-Term Debt (Schedule of Maturities of Long-Term Debt) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Jan. 01, 2016
Long-term Debt, Fiscal Year Maturity
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 455
Long-term Debt, Maturities, Repayments of Principal in Year Two	3,054
Long-term Debt, Maturities, Repayments of Principal in Year Three	3,641
Long-term Debt, Maturities, Repayments of Principal in Year Four	1,240
Long-term Debt, Maturities, Repayments of Principal in Year Five	3,790
Long-term Debt, Maturities, Repayments of Principal after Year Five	3,257
Total maturities	15,437
Less: Deferred debt issuance costs	(204)	$ (266)
Plus unamortized note premium	11
Long-term Debt, Total	15,244
Term Loans [Member]
Long-term Debt, Fiscal Year Maturity
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	149
Long-term Debt, Maturities, Repayments of Principal in Year Two	1,895
Long-term Debt, Maturities, Repayments of Principal in Year Three	1,678
Long-term Debt, Maturities, Repayments of Principal in Year Four	29
Long-term Debt, Maturities, Repayments of Principal in Year Five	2,782
Total maturities	6,533
Less: Deferred debt issuance costs	(77)
Long-term Debt, Total	$ 6,456