Equity (Tables)

12 Months Ended

Dec. 31, 2013

Equity [Abstract]

Share activity

For the years ended December 31, 2013, 2012, and 2011, activity in the number of shares of common stock and treasury stock was as follows (in millions):

	Common Stock	Treasury Stock
Balance as of December 31, 2010	673	(105	)
Transactions in connection with    stock-based compensation plans:
Stock issuances	—	5
Stock repurchases	—	(17	)
Balance as of December 31, 2011	673	(117	)
Transactions in connection with    stock-based compensation plans:
Stock issuances	—	6
Stock repurchases	—	(6	)
Stock repurchases under buyback program	—	(4	)
Balance as of December 31, 2012	673	(121	)
Transactions in connection with    stock-based compensation plans:
Stock issuances	—	6
Stock repurchases	—	(6	)
Stock repurchases under buyback program	—	(17	)
Balance as of December 31, 2013	673	(138	)

Income tax effects related to components of other comprehensive income

The following table reflects the tax effects allocated to each component of other comprehensive income for the years ended December 31, 2013, 2012, and 2011 (in millions):

	Before-Tax Amount			Tax Expense (Benefit)			Net Amount
Year Ended December 31, 2013:
Foreign currency translation adjustment	$	(98	)	$	—		$	(98	)
Pension and other postretirement benefits:
Gain arising during the year related to:
Net actuarial gain	367			125			242
Plan amendments	371			130			241
(Gain) loss reclassified into income related to:
Net actuarial loss	57			20			37
Prior service credit	(33		)	(12		)	(21		)
Settlement	1			—			1
Net gain on pension and other postretirement benefits	763			263			500
Derivative instruments designated and qualifying as cash flow hedges:
Net loss arising during the year	(4		)	(2		)	(2		)
Net loss reclassified into income	2			1			1
Net loss on cash flow hedges	(2		)	(1		)	(1		)
Other comprehensive income	$	663		$	262		$	401

	Before-Tax Amount			Tax Expense (Benefit)			Net Amount
Year Ended December 31, 2012:
Foreign currency translation adjustment	$	164		$	—		$	164
Pension and other postretirement benefits:
Loss arising during the year related to:
Net actuarial loss	(228		)	(79		)	(149		)
Prior service cost	(9		)	(3		)	(6		)
(Gain) loss reclassified into income related to:
Net actuarial loss	34			12			22
Prior service credit	(20		)	(7		)	(13		)
Settlement	12			—			12
Net loss on pension and other postretirement benefits	(211		)	(77		)	(134		)
Derivative instruments designated and qualifying as cash flow hedges:
Net gain arising during the year	45			16			29
Net gain reclassified into income	(73		)	(26		)	(47		)
Net loss on cash flow hedges	(28		)	(10		)	(18		)
Other comprehensive income (loss)	$	(75	)	$	(87	)	$	12

Year Ended December 31, 2011:
Foreign currency translation adjustment	$	(122	)	$	—		$	(122	)
Pension and other postretirement benefits:
Loss arising during the year related to:
Net actuarial loss	(285		)	(100		)	(185		)
Prior service cost	(4		)	(1		)	(3		)
(Gain) loss reclassified into income related to:
Net actuarial loss	14			4			10
Prior service credit	(21		)	(7		)	(14		)
Settlement	4			1			3
Net loss on pension and other postretirement benefits	(292		)	(103		)	(189		)
Derivative instruments designated and qualifying as cash flow hedges:
Net gain arising during the year	32			11			21
Net gain reclassified into income	(3		)	(1		)	(2		)
Net gain on cash flow hedges	29			10			19
Other comprehensive loss	$	(385	)	$	(93	)	$	(292	)

Changes in components of accumulated other comprehensive income (loss)

Changes in accumulated other comprehensive income by component, net of tax, were as follows (in millions):

	Foreign Currency Translation Adjustment			Defined Benefit Pension Items			Gains and (Losses) on Cash Flow Hedges			Total
Balance as of December 31, 2010	$	623		$	(235	)	$	—		$	388
Other comprehensive income (loss)	(122		)	(189		)	19			(292		)
Balance as of December 31, 2011	501			(424		)	19			96
Other comprehensive income (loss)	164			(134		)	(18		)	12
Balance as of December 31, 2012	665			(558		)	1			108
Other comprehensive income (loss) before reclassifications	(98		)	483			(2		)	383
Amounts reclassified from accumulated other comprehensive income (loss)	—			17			1			18
Net other comprehensive income (loss)	(98		)	500			(1		)	401
Separation of retail business	(159		)	—			—			(159		)
Balance as of December 31, 2013	$	408		$	(58	)	$	—		$	350

Gains (losses) reclassified out of accumulated other comprehensive income

Gains (losses) reclassified out of accumulated other comprehensive income (loss) and into net income were as follows (in millions):

Details about Accumulated Other Comprehensive Income  (Loss) Components	Year Ended December 31, 2013			Affected Line Item in the Statement of Income
Amortization of items related to defined benefit pension plans:
Net actuarial loss	$	(57	)	(a)
Prior service credit	33			(a)
Settlement	(1		)	(a)
	(25		)	Total before tax
	8			Tax benefit
	$	(17	)	Net of tax
Losses on cash flow hedges:
Commodity contracts	$	(2	)	Cost of sales
	(2		)	Total before tax
	1			Tax benefit
	$	(1	)	Net of tax
Total reclassifications for the year	$	(18	)	Net of tax

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(a) These accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit cost, as further discussed in Note 14. Net periodic benefit cost is reflected in operating expenses and general and administrative expenses.