Pension Benefits (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 16, 2012	Jun. 11, 2011	Jun. 16, 2012	Jun. 11, 2011
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 6	$ 6	$ 12	$ 11
Interest cost	15	15	30	30
Expected return on plan assets	(16)	(17)	(32)	(33)
Amortization of net loss	14	7	29	14
Net periodic benefit cost	19	11	39	22
Contribution to the Plan	33
International Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	2	1	3
Interest cost	2	2	4	4
Expected return on plan assets	(3)	(3)	(5)	(5)
Amortization of net loss	0	1	0	1
Net periodic benefit cost	0	2	0	3
U.K. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Contribution to the Plan	8
Anticipated Employer Contributions in Current Fiscal Year	$ 7		$ 7