Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 29, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 1,346	$ 1,223
Accounts receivable - net	2,666	2,200
Inventories	1,022	975
Prepaid expenses and other current assets	348	330
Total current assets	5,382	4,728
Property, plant and equipment - net of accumulated depreciation of $4,036 and $4,027, respectively	2,347	2,385
Goodwill	1,753	1,756
Intangible assets - net	291	293
Pension assets	814	823
Other assets	866	872
Total assets	11,453	10,857
Current liabilities:
Short-term debt	103	67
Current portion of long-term debt	541	26
Trade accounts payable	2,497	2,423
Accrued compensation	238	254
Other current liabilities	1,168	1,111
Total current liabilities	4,547	3,881
Long-term debt	1,236	1,369
Postretirement benefits other than pensions	389	396
Pension benefits	864	898
Other long-term liabilities	547	544
Total liabilities	7,583	7,088
Stockholders' equity:
Capital stock	1	1
Paid-in-capital	1,649	1,635
Retained earnings	2,560	2,408
Accumulated other comprehensive earnings (losses)	(539)	(466)
Total TRW stockholders' equity	3,671	3,578
Noncontrolling interest	199	191
Total equity	3,870	3,769
Total liabilities and equity	$ 11,453	$ 10,857