Retirement Plans (Tables)

12 Months Ended

Dec. 29, 2012

Retirement Plans

Components of net periodic benefit cost and other amounts recognized in OCI

	Pension Benefits									Postretirement Benefits Other than Pensions
(In millions)	2012			2011			2010			2012			2011			2010
Net periodic benefit cost
Service cost	$	119		$	129		$	124		$	6		$	8		$	8
Interest cost	305			327			328			25			33			34
Expected return on plan assets	(407		)	(393		)	(385		)	—			—			—
Amortization of prior service cost (credit)	16			16			16			(11		)	(8		)	(4		)
Amortization of net actuarial loss	118			75			41			7			11			11
Curtailment and special termination charges	—			(1		)	2			—			—			—
Net periodic benefit cost	$	151		$	153		$	126		$	27		$	44		$	49
Other changes in plan assets and benefit obligations recognized in OCI, including foreign exchange
Current year actuarial loss (gain)	$	402		$	556		$	171		$	15		$	(17	)	$	—
Current year prior service cost (credit)	—			7			5			(2		)	(23		)	(16		)
Amortization of net actuarial loss	(118		)	(75		)	(41		)	(7		)	(11		)	(11		)
Amortization of prior service credit (cost)	(16		)	(16		)	(16		)	11			8			4
Curtailments and settlements	—			1			(1		)	—			—			—
Total recognized in OCI, before taxes	$	268		$	473		$	118		$	17		$	(43	)	$	(23	)
Total recognized in net periodic benefit cost and OCI	$	419		$	626		$	244		$	44		$	1		$	26

Amortized amount from accumulated other comprehensive income

(In millions)	Pension Benefits		Postretirement Benefits Other than Pensions
Net actuarial loss	$	184	$	7
Prior service cost (credit)	15		(11		)
	$	199	$	(4	)

Changes in the projected benefit obligation and in the fair value of plan assets

	Pension Benefits						Postretirement Benefits Other than Pensions
(In millions)	2012			2011			2012			2011
Change in benefit obligation
Benefit obligation at beginning of year	$	6,325		$	5,877		$	561		$	614
Service cost	119			129			6			8
Interest cost	305			327			25			33
Amendments	—			7			(2		)	(23		)
Plan participants’ contributions	—			—			5			5
Actuarial losses (gains)	644			331			15			(17		)
Benefits paid	(360		)	(339		)	(52		)	(59		)
Foreign exchange rate changes	29			(7		)	—			—
Other	(9		)	—			6			—
Benefit obligation at end of year	$	7,053		$	6,325		$	564		$	561
Change in fair value of plan assets
Fair value of plan assets at beginning of year	$	5,013		$	4,559
Actual return on plan assets	649			167
Employer contributions	389			628
Benefits paid	(360		)	(339		)
Foreign exchange rate changes	24			(3		)
Settlements and disbursements	—			1
Fair value of plan assets at end of year	$	5,715		$	5,013
Funded status at end of year	$	(1,338	)	$	(1,312	)	$	(564	)	$	(561	)

Amounts recognized in our balance sheets

	Pension Benefits						Postretirement Benefits Other than Pensions
(In millions)	2012			2011			2012			2011
Non-current assets	$	61		$	54		$	—		$	—
Current liabilities	(26		)	(23		)	(52		)	(56		)
Non-current liabilities	(1,373		)	(1,343		)	(512		)	(505		)
Recognized in Accumulated other comprehensive loss, pre-tax:
Net loss	2,750			2,455			99			91
Prior service cost (credit)	113			129			(41		)	(50		)

Pension plans with accumulated benefit obligations exceeding the fair value of plan assets

(In millions)	2012		2011
Projected benefit obligation	$	6,869	$	6,153
Accumulated benefit obligation	6,404		5,784
Fair value of plan assets	5,470		4,786

Weighted-average assumptions used for pension and postretirement plans

	Pension Benefits			Postretirement Benefits Other than Pensions
	2012	2011	2010	2012	2011	2010
Net periodic benefit cost
Discount rate	4.94%	5.71%	6.20%	4.75%	5.50%	5.50%
Expected long-term rate of return on assets	7.58%	7.84%	8.26%
Rate of compensation increase	3.49%	3.99%	4.00%
Benefit obligations at year-end
Discount rate	4.23%	4.95%	5.71%	3.75%	4.75%	5.50%
Rate of compensation increases	3.48%	3.49%	3.99%

Assumed healthcare cost trend rates

	2012	2011
Medical cost trend rate	8.4%	9.0%
Prescription drug cost trend rate	8.4%	9.0%
Rate to which medical and prescription drug cost trend rates will gradually decline	5.0%	5.0%
Year that the rates reach the rate where we assume they will remain	2021	2021

Effects of one-percentage-point change in assumed healthcare cost trend rates

(In millions)	One- Percentage- Point Increase		One- Percentage- Point Decrease
Effect on total of service and interest cost components	$	3	$	(2	)
Effect on postretirement benefit obligations other than pensions	41		(36		)

Target allocation ranges

U.S. Plan Assets
Domestic equity securities	26% to 40%
International equity securities	11% to 22%
Debt securities	26% to 34%
Private equity partnerships	5% to 11%
Real estate	7% to 13%
Hedge funds	0% to 5%
Foreign Plan Assets
Equity securities	36% to 70%
Debt securities	30% to 60%
Real estate	3% to 17%

Fair value of total pension plan assets

	December 29, 2012						December 31, 2011
(In millions)	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Cash and equivalents	$	16	$	157	$	—	$	14	$	183	$	—
Equity securities:
Domestic	1,149		560		—		1,017		482		—
International	981		268		—		777		233		—
Debt securities:
National, state and local governments	594		318		—		630		254		—
Corporate debt	13		647		—		34		494		—
Asset-backed securities	1		91		—		3		74		—
Private equity partnerships	—		—		308		—		—		314
Real estate	—		—		508		—		—		407
Hedge funds	—		—		104		—		—		97
Total	$	2,754	$	2,041	$	920	$	2,475	$	1,720	$	818

Reconciliation for fair value measurements that use significant unobservable inputs

(In millions)	Hedge Funds		Private Equity Partnerships			Real Estate
Balance at beginning of year	$	97	$	314		$	407
Actual return on plan assets:
Related to assets still held at reporting date	7		(7		)	26
Related to assets sold during the period	—		34			3
Purchases, sales and settlements, net	—		(33		)	72
Balance at end of year	$	104	$	308		$	508

Estimated future benefit payments which reflect expected future service to be paid by the plans

(In millions)	2013		2014		2015		2016		2017		2018-2022
Pension benefits	$	353	$	356	$	360	$	367	$	373	$	2,003
Post-retirement benefits other than pensions	54		52		50		49		46		191