Employee Benefits (Tables)

6 Months Ended

Jul. 02, 2016

Compensation and Retirement Disclosure [Abstract]

Components of Plan Benefit Expense

Pension

	Quarter ended						Year-to-date period ended
(millions)	July 2, 2016			July 4, 2015			July 2, 2016			July 4, 2015
Service cost	$	25		$	28		$	49		$	56
Interest cost	44			53			88			106
Expected return on plan assets	(90		)	(100		)	(179		)	(200		)
Amortization of unrecognized prior service cost	4			3			7			6
Total pension (income) expense	$	(17	)	$	(16	)	$	(35	)	$	(32	)

Other nonpension postretirement

	Quarter ended						Year-to-date period ended
(millions)	July 2, 2016			July 4, 2015			July 2, 2016			July 4, 2015
Service cost	$	5		$	9		$	10		$	17
Interest cost	9			13			19			25
Expected return on plan assets	(23		)	(25		)	(45		)	(50		)
Amortization of unrecognized prior service cost (credit)	(2		)	(1		)	(5		)	(1		)
Total postretirement benefit (income) expense	$	(11	)	$	(4	)	$	(21	)	$	(9	)

Postemployment

	Quarter ended				Year-to-date period ended
(millions)	July 2, 2016		July 4, 2015		July 2, 2016		July 4, 2015
Service cost	$	2	$	1	$	4	$	3
Interest cost	1		1		2		2
Recognized net loss	1		1		2		2
Total postemployment benefit expense	$	4	$	3	$	8	$	7

Contributions to Employee Benefit Plans

Company contributions to employee benefit plans are summarized as follows:

(millions)	Pension		Nonpension postretirement		Total
Quarter ended:
July 2, 2016	$	2	$	4	$	6
July 4, 2015	$	1	$	4	$	5
Year-to-date period ended:
July 2, 2016	$	15	$	8	$	23
July 4, 2015	$	10	$	7	$	17
Full year:
Fiscal year 2016 (projected)	$	28	$	15	$	43
Fiscal year 2015 (actual)	$	19	$	14	$	33