Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Current income taxes:
Federal	$ (695,000,000)		$ (1,026,000,000)		$ (400,000,000)
Foreign	(328,000,000)		(334,000,000)		(287,000,000)
State	(47,000,000)		(109,000,000)		(42,000,000)
Total current	(1,070,000,000)		(1,469,000,000)		(729,000,000)
Deferred income taxes:
Federal	(168,000,000)		(28,000,000)		(124,000,000)
Foreign	15,000,000		57,000,000		3,000,000
State	(12,000,000)		1,000,000		(3,000,000)
Total deferred	(165,000,000)		30,000,000		(124,000,000)
Provision for income taxes	(1,235,000,000)		(1,439,000,000)		(853,000,000)
The United States and foreign components of income from continuing operations before income taxes [Abstract]
United States	2,826,000,000		4,040,000,000		1,918,000,000
Foreign	996,000,000		409,000,000		737,000,000
Income from continuing operations before income taxes	3,822,000,000		4,449,000,000		2,655,000,000
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	(2.50%)		(0.50%)		(1.30%)
Domestic manufacturing deduction	(2.20%)		(2.10%)		(1.80%)
State income taxes	1.60%		1.60%		1.50%
Adjustments of prior year taxes	(0.60%)		(1.50%)		(1.20%)
Other impact of foreign operations	(0.50%)		(0.40%)		(1.30%)
Impact of devaluation of Venezuelan Bolívar Fuerte	0.00%		0.00%		0.80%
Other items, net	1.50%		0.20%		0.40%
Total effective tax rate on continuing operations	32.30%		32.30%		32.10%
Gross deferred tax assets:
Net operating loss carryforwards	396,000,000		380,000,000
Employee compensation and benefits	361,000,000		345,000,000
Accrued liabilities	274,000,000		64,000,000
Insurance accruals	54,000,000		48,000,000
Software revenue recognition	32,000,000		44,000,000
Inventory	30,000,000		30,000,000
Capitalized research and experimentation	18,000,000		29,000,000
Other	94,000,000		110,000,000
Total gross deferred tax assets	1,259,000,000		1,050,000,000
Gross deferred tax liabilities:
Depreciation and amortization	867,000,000		648,000,000
Joint ventures, partnerships, and unconsolidated affiliates	42,000,000		38,000,000
Other	76,000,000		68,000,000
Total gross deferred tax liabilities	985,000,000		754,000,000
Valuation allowances – net operating loss carryforwards	327,000,000		285,000,000
Net deferred income tax asset (liability)	(53,000,000)		11,000,000
Unrecognized Tax Benefits
Beginning balance	205,000,000	[1]	177,000,000		263,000,000
Change in prior year tax positions	16,000,000		38,000,000		(74,000,000)
Change in current year tax positions	14,000,000		5,000,000		19,000,000
Cash settlements with taxing authorities	(3,000,000)		(12,000,000)		(28,000,000)
Lapse of statute of limitations	(4,000,000)		(3,000,000)		(3,000,000)
Ending balance	228,000,000	[1],[2]	205,000,000	[1]	177,000,000
Interest and Penalties
Beginning balance	69,000,000	[1]	32,000,000		29,000,000
Change in prior year tax positions	(1,000,000)		41,000,000		7,000,000
Change in current year tax positions	1,000,000		1,000,000		2,000,000
Cash settlements with taxing authorities	0		(3,000,000)		(5,000,000)
Lapse of statute of limitations	(1,000,000)		(2,000,000)		(1,000,000)
Ending balance	68,000,000	[1],[2]	69,000,000	[1]	32,000,000
Amounts to be settled in accordance with Tax Sharing Agreement	59,000,000		67,000,000
Remaining balance if resolved in our favor would posifively impact the effective tax rate	169,000,000		138,000,000
Portion of unrecognized tax benefits that could be resolved within the next 12 months	43,000,000
Foreign Country
Interest and Penalties
Net operating loss carryforwards	1,100,000,000
Operating loss carryforwards that will expire	219,000,000
Internal Revenue Service (IRS)
Interest and Penalties
Income tax filings, years under review			2011		2010
Investments in Foreign Subsidiaries and Foreign Corporate Joint Ventures that are Essentially Permanent in Duration
Interest and Penalties
Deferred tax liability not recognized, cumulative amount of temporary difference	$ 4,400,000,000

[1] Includes $59 million as of December 31, 2012 and $67 million as of December 31, 2011 in amounts to be settled in accordance with our Tax Sharing Agreement with KBR and foreign unrecognized tax benefits that would give rise to a United States tax credit. See Note 7 for further information. The remaining balance of $169 million as of December 31, 2012 and $138 million as of December 31, 2011, 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 $43 million that could be resolved within the next 12 months.