Pension Benefits (Tables) - Pension

12 Months Ended

Dec. 29, 2018

Defined Benefit Plan Disclosure [Line Items]

Components of Company Plan Benefit Expense [Table Text Block]

(millions)	2018			2017
Change in projected benefit obligation
Beginning of year	$	5,648		$	5,510
Service cost	87			96
Interest cost	165			164
Plan participants’ contributions	1			1
Amendments	6			6
Actuarial (gain)loss	(384		)	264
Benefits paid	(280		)	(395		)
Curtailment and special termination benefits	(36		)	(156		)
Other	1			1
Foreign currency adjustments	(91		)	157
End of year	$	5,117		$	5,648
Change in plan assets
Fair value beginning of year	$	5,043		$	4,544
Actual return on plan assets	(299		)	666
Employer contributions	270			31
Plan participants’ contributions	1			1
Benefits paid	(236		)	(364		)
Other	(1		)	1
Foreign currency adjustments	(101		)	164
Fair value end of year	$	4,677		$	5,043
Funded status	$	(440	)	$	(605	)
Amounts recognized in the Consolidated Balance Sheet consist of
Other assets	$	228		$	252
Other current liabilities	(17		)	(19		)
Other liabilities	(651		)	(838		)
Net amount recognized	$	(440	)	$	(605	)
Amounts recognized in accumulated other comprehensive income consist of
Prior service cost	$	41		$	48
Net amount recognized	$	41		$	48

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

(millions)	2018		2017
Projected benefit obligation	$	3,725	$	4,119
Accumulated benefit obligation	$	3,689	$	4,051
Fair value of plan assets	$	3,081	$	3,279

Schedule of Net Benefit Costs [Table Text Block]

(millions)	2018			2017			2016
Service cost	$	87		$	96		$	98
Interest cost	165			164			174
Expected return on plan assets	(361		)	(371		)	(352		)
Amortization of unrecognized prior service cost	8			9			13
Recognized net (gain) loss	269			(36		)	323
Net periodic benefit cost	168			(138		)	256
Curtailment and special termination benefits	(30		)	(151		)	1
Pension (income) expense:
Defined benefit plans	138			(289		)	257
Defined contribution plans	27			34			36
Total	$	165		$	(255	)	$	293

Schedule of Assumptions Used [Table Text Block]

	2018		2017		2016
Discount rate	3.9	%	3.3	%	3.6	%
Long-term rate of compensation increase	3.8	%	3.9	%	3.9	%

The worldwide weighted-average actuarial assumptions used to determine annual net periodic benefit cost were:

	2018		2017		2016
Discount rate	3.3	%	3.6	%	4.1	%
Long-term rate of compensation increase	3.9	%	3.9	%	3.9	%
Long-term rate of return on plan assets	7.4	%	8.1	%	8.1	%

Schedule of Allocation of Plan Assets [Table Text Block]

(millions)	Total Level 1		Total Level 2		Total Level 3		Total NAV (practical expedient)(a)		Total
Cash and cash equivalents	$	75	$	—	$	—	$	—	$	75
Corporate stock, common:
Domestic	412		—		—		—		412
International	10		1		—		—		11
Mutual funds:
International equity	—		7		—		34		41
Domestic debt	—		53		—		—		53
Collective trusts:
Domestic equity	—		—		—		437		437
International equity	—		92		—		1,330		1,422
Other international debt	—		—		—		331		331
Limited partnerships	—		—		—		283		283
Bonds, corporate	—		498		—		—		498
Bonds, government	—		562		—		—		562
Bonds, other	—		62		—		—		62
Real estate	—		—		—		378		378
Other	—		55		—		57		112
Total	$	497	$	1,330	$	—	$	2,850	$	4,677

(a) Certain assets that are measured at fair value using the NAV per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy.

The fair value of Plan assets at December 30, 2017 are summarized as follows:

(millions)	Total Level 1		Total Level 2		Total Level 3		Total NAV (practical expedient)(a)		Total
Cash and cash equivalents	$	66	$	21	$	—	$	—	$	87
Corporate stock, common:
Domestic	500		—		—		—		500
International	17		1		—		—		18
Mutual funds:
International equity	—		120		—		38		158
Domestic debt	—		—		—		36		36
Collective trusts:
Domestic equity	—		—		—		525		525
International equity	—		176		—		1,390		1,566
Other international debt	—		—		—		365		365
Limited partnerships	—		—		—		591		591
Bonds, corporate	—		482		—		—		482
Bonds, government	—		177		—		—		177
Bonds, other	—		63		—		—		63
Real estate	—		—		—		284		284
Other	—		128		—		63		191
Total	$	583	$	1,168	$	—	$	3,292	$	5,043

(a) Certain assets that are measured at fair value using the NAV per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy.

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]

(millions)	Buy-in Annuity Contract			Other		Total
December 31, 2016	$	131		$	—	$	131
Sales	(131		)	—		(131		)
Purchases	—			—		—
Transfers	—			—		—
Realized and unrealized gain	—			—		—
Currency translation	—			—		—
December 30, 2017	$	—		$	—	$	—