Employee Benefits (Tables)

6 Months Ended

Jul. 04, 2015

Compensation and Retirement Disclosure [Abstract]

Components of Plan Benefit Expense

Pension

	Quarter ended						Year-to-date period ended
(millions)	July 4, 2015			June 28, 2014			July 4, 2015			June 28, 2014
Service cost	$	28		$	27		$	56		$	53
Interest cost	53			56			106			113
Expected return on plan assets	(100		)	(105		)	(200		)	(209		)
Amortization of unrecognized prior service cost	3			4			6			7
Total pension (income) expense	$	(16	)	$	(18	)	$	(32	)	$	(36	)

Other nonpension postretirement

	Quarter ended						Year-to-date period ended
(millions)	July 4, 2015			June 28, 2014			July 4, 2015			June 28, 2014
Service cost	$	9		$	7		$	17		$	14
Interest cost	13			13			25			27
Expected return on plan assets	(25		)	(25		)	(50		)	(49		)
Amortization of unrecognized prior service cost (credit)	(1		)	—			(1		)	(1		)
Total postretirement benefit (income) expense	$	(4	)	$	(5	)	$	(9	)	$	(9	)

Postemployment

	Quarter ended				Year-to-date period ended
(millions)	July 4, 2015		June 28, 2014		July 4, 2015		June 28, 2014
Service cost	$	1	$	2	$	3	$	4
Interest cost	1		1		2		2
Recognized net loss	1		1		2		2
Total postemployment benefit expense	$	3	$	4	$	7	$	8

Contributions to Employee Benefit Plans

Company contributions to employee benefit plans are summarized as follows:

(millions)	Pension		Nonpension postretirement		Total
Quarter ended:
July 4, 2015	$	1	$	4	$	5
June 28, 2014	$	5	$	4	$	9
Year-to-date period ended:
July 4, 2015	$	10	$	7	$	17
June 28, 2014	$	29	$	8	$	37
Full year:
Fiscal year 2015 (projected)	$	39	$	16	$	55
Fiscal year 2014 (actual)	$	37	$	16	$	53