Share-Based Payments Stock Options (Details) (Options and Sosars [Member], USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 29, 2012 years
Options and Sosars [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at the beginning of the period (in shares)	7.1
Granted (in shares)	0.3
Exercised (in shares)	(0.9)
Forfeited (in shares)	(0.1)
Outstanding at the end of the period (in shares)	6.4
Exercisable (in shares)	5.4
Weighted-average exercise price of shares outstanding, beginning of the period (in dollars per share)	$ 38.69
Weighted-average exercise price of shares granted (in dollars per share)	$ 42.57
Weighted-average exercise price of shares exercised (in dollars per share)	$ 29.74
Weighted-average exercise price of shares forfeited (in dollars per share)	$ 47.18
Weighted-average exercise price of shares outstanding, end of the period (in dollars per share)	$ 40.09
Weighted-average exercise price of shares exercisable (in dollars per share)	$ 39.51
Weighted-average remaining contractual life, outstanding (in years)	4.31
Weighted-average remaining contractual life, outstanding (in years)	4.21
Weighted-average remaining contractual life, exercisable (in years)	3.50
Aggregate intrinsic value of shares outstanding (in dollars)	$ 43.1
Aggregate intrinsic value of shares outstanding (in dollars)	37.9
Aggregate intrinsic value of shares exercisable (in dollars)	$ 36.4