Share-Based Compensation (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Compensation expense included in net income
Compensation expense	$ 34	$ 30
Income tax benefit	(12)	(11)
Total net compensation cost	22	19
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Maximum term of options	10 years
Vesting period	3 years
Weighted average assumptions used in Black Scholes
Fair value of options at grant date	$ 12.72	$ 9.69
Dividend yield (as a percent)	0.20%	0.30%
Expected Volatility (as a percent)	34.50%	37.00%
Risk-free interest rate (as a percent)	1.50%	0.90%
Expected term (in years)	5 years	5 years 6 months
Number of Options
Outstanding at beginning of period, number of stock options (in shares)	9,018
Grants in periods, number of options (in shares)	1,753
Exercise in periods, number of stock options (in shares)	(648)
Canceled, expired or forfeited in period, number of options (in shares)	(238)
Outstanding at the end of period, number of stock options (in shares)	9,885
Exercisable options, number (in shares)	5,799
Weighted Average Exercise Price
Weighted Average Exercise Price, Beginning of Period	$ 27.57
Granted in Period, Weighted Average Exercise Price	$ 39.70
Exercises in Period, Weighted Average Exercise Price	$ 26.05
Forfeitures and Expirations in Period, Weighted Average Exercise Price	$ 40.50
Weighted Average Exercise Price, End of Period	$ 29.51
Exercisable, Weighted Average Exercise Price	$ 26.94
Aggregate intrinsic value of outstanding options	96
Weighted average remaining contractual life of outstanding stock options	7 years
Aggregate intrinsic value of exercisable options	71
Weighted average remaining contractual life of exercisable options	6 years
Aggregate intrinsic value of options exercised	$ 8	$ 4