Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Current income taxes:
Current Federal Tax Expense (Benefit)	$ 245,000,000		$ 695,000,000		$ 1,026,000,000
Current Foreign Tax Expense (Benefit)	(485,000,000)		(328,000,000)		(334,000,000)
Current State Tax Expense (Benefit)	(49,000,000)		(47,000,000)		(109,000,000)
Total current	779,000,000		1,070,000,000		1,469,000,000
Deferred income taxes:
Federal	4,000,000		(168,000,000)		(28,000,000)
Foreign	125,000,000		15,000,000		57,000,000
State	2,000,000		(12,000,000)		1,000,000
Total deferreds	131,000,000
Total deferred	132,000,000		(165,000,000)		30,000,000
Provision for income taxes	(648,000,000)		(1,235,000,000)		(1,439,000,000)
The United States and foreign components of income from continuing operations before income taxes [Abstract]
United States	1,070,000,000		2,826,000,000		4,040,000,000
Foreign	1,694,000,000		996,000,000		409,000,000
Income from continuing operations before income taxes	2,764,000,000		3,822,000,000		4,449,000,000
Reconciliations between the actual provision for income taxes on continuing operations [Abstract]
United States statutory rate	35.00%		35.00%		35.00%
Impact of foreign income taxed at different rates	(9.30%)		(2.50%)		(0.50%)
Domestic manufacturing deduction	(2.00%)		(2.20%)		(2.10%)
State income taxes	1.70%		1.60%		1.60%
Adjustments of prior year taxes	(1.30%)		(0.60%)		(1.50%)
Other impact of foreign operations	(0.20%)		(0.50%)		(0.40%)
Other items, net	(0.40%)		1.50%		0.20%
Total effective tax rate on continuing operations	23.50%		32.30%		32.30%
Loss Contingency, Accrual, Noncurrent	1,022,000,000		300,000,000
Gross deferred tax assets:
Net operating loss carryforwards	481,000,000		474,000,000
Accrued Liabilities	600,000,000		329,000,000
Employee compensation and benefits	351,000,000		375,000,000
Other	162,000,000		160,000,000
Total gross deferred tax assets	1,594,000,000		1,338,000,000
Gross deferred tax liabilities:
Depreciation and amortization	1,185,000,000		859,000,000
Other	81,000,000		137,000,000
Total gross deferred tax liabilities	1,266,000,000		996,000,000
Valuation allowances – net operating loss carryforwards	374,000,000		395,000,000
Net deferred income tax asset (liability)	(46,000,000)		(53,000,000)
Unrecognized Tax Benefits
Beginning balance	228,000,000	[1]	205,000,000		177,000,000
Change in prior year tax positions	53,000,000		16,000,000		38,000,000
Change in current year tax positions	30,000,000		14,000,000		5,000,000
Cash settlements with taxing authorities	(21,000,000)		(3,000,000)		(12,000,000)
Lapse of statute of limitations	(9,000,000)		(4,000,000)		(3,000,000)
Ending balance	175,000,000	[1],[2]	228,000,000	[1]	205,000,000
Interest and Penalties
Beginning balance	68,000,000	[1]	69,000,000		32,000,000
Change in prior year tax positions	(9,000,000)		(1,000,000)		41,000,000
Change in current year tax positions	1,000,000		1,000,000		1,000,000
Cash settlements with taxing authorities	(17,000,000)		0		(3,000,000)
Lapse of statute of limitations	(9,000,000)		(1,000,000)		(2,000,000)
Ending balance	34,000,000	[1],[2]	68,000,000	[1]	69,000,000
Deferred tax liability not recognized, cumulative amount of temporary difference	6,100,000,000
Remaining balance if resolved in our favor would positively impact the effective tax rate	138,000,000		169,000,000
Portion of unrecognized tax benefits that could be resolved within the next 12 months	3,000,000
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	135,000,000
Federal	(50,000,000)
Foreign Country
Interest and Penalties
Operating loss carryforwards that will expire	1,600,000,000
Years 2014-2017 [Domain]
Interest and Penalties
Operating loss carryforwards that will expire	161,000,000
Years 2018-2022 [Domain]
Interest and Penalties
Operating loss carryforwards that will expire	295,000,000
Years 2023-2033 [Domain]
Interest and Penalties
Operating loss carryforwards that will expire	53,000,000
Damage from Fire, Explosion or Other Hazard [Member]
Reconciliations between the actual provision for income taxes on continuing operations [Abstract]
Loss Contingency, Accrual, Noncurrent	1,000,000,000
All Other Countries [Domain]
Interest and Penalties
Remaining balance if resolved in our favor would positively impact the effective tax rate	$ 27,000,000		$ 59,000,000

[1] Includes $27 million as of December 31, 2013 and $59 million as of December 31, 2012 in foreign unrecognized tax benefits that would give rise to a United States tax credit. The remaining balance of $138 million, which excludes $10 million of unrecognized tax benefits covered by an indemnification asset, as of December 31, 2013 and $169 million as of December 31, 2012, if resolved in our favor, would positively impact the effective tax rate and, therefore, be recognized as additional tax benefits in our statement of operations.

[2] Includes $3 million that could be resolved within the next 12 months.