Pension and Postretirement Benefit Plans (Detail) - USD ($) $ in Millions		1 Months Ended	3 Months Ended
		Jan. 31, 2017	Apr. 02, 2017
U.S. Qualified [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions from our general assets for the three months ended April 2, 2017		$ 1,000	$ 1,000
Expected contributions from our general assets during 2017	[1]		1,095
U.S. Supplemental (Non-Qualified) [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions from our general assets for the three months ended April 2, 2017			75
Expected contributions from our general assets during 2017	[1]		152
International [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions from our general assets for the three months ended April 2, 2017			49
Expected contributions from our general assets during 2017	[1]		165
Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions from our general assets for the three months ended April 2, 2017			53
Expected contributions from our general assets during 2017	[1]		$ 188

[1] Contributions expected to be made for are inclusive of amounts contributed during the three months ended April 2, 2017, including the $1.0 billion voluntary contribution that was made in January 2017 for the U.S. qualified plans, which was considered pre-funding for future anticipated mandatory contributions and is also expected to reduce Pension Benefit Guaranty Corporation variable rate premiums. The U.S. supplemental (non-qualified) pension plan, international pension plan and the postretirement plan contributions from our general assets include direct employer benefit payments.