Components of Net Periodic Benefit Cost for Pension and Retiree Medical Plans (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 14, 2014	Jun. 15, 2013	Jun. 14, 2014	Jun. 15, 2013
U.S.
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 90	$ 108	$ 181	$ 216
Interest cost	134	122	268	243
Expected return on plan assets	(181)	(190)	(362)	(380)
Amortization of prior service cost/(credit)	4	5	9	9
Amortization of net losses/(gains)	41	66	81	133
Gross total	88	111	177	221
Defined Benefit Plan, Settlements and Curtailments, Benefit Obligation
Special termination benefits		2	8	3
Total expense	88	113	185	224
International
Defined Benefit Plan Disclosure [Line Items]
Service cost	24	27	43	49
Interest cost	33	30	57	52
Expected return on plan assets	(44)	(40)	(76)	(70)
Amortization of prior service cost/(credit)		1		1
Amortization of net losses/(gains)	13	16	22	29
Gross total	26	34	46	61
Defined Benefit Plan, Settlements and Curtailments, Benefit Obligation
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments		1		1
Special termination benefits
Total expense	26	35	46	62
Retiree Medical
Defined Benefit Plan Disclosure [Line Items]
Service cost	8	11	16	21
Interest cost	14	12	28	25
Expected return on plan assets	(6)	(6)	(12)	(12)
Amortization of prior service cost/(credit)	(5)	(5)	(10)	(10)
Amortization of net losses/(gains)	(1)		(2)
Gross total	10	12	20	24
Defined Benefit Plan, Settlements and Curtailments, Benefit Obligation
Special termination benefits	1		1
Total expense	$ 11	$ 12	$ 21	$ 24