Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
ASSETS
Cash	$ 621.5	$ 359.6
Receivables, net	1,261.4	1,183.0
Inventories, net	475.3	454.3
Deferred income taxes	33.8	58.5
Prepayments and other current assets	101.6	82.4
Total current assets	2,493.6	2,137.8
Property, plant and equipment, net	1,698.7	1,664.3
Investments and advances	380.7	345.3
Goodwill	1,172.3	1,186.2
Other non-current assets	601.2	625.0
Total assets	6,346.5	5,958.6
LIABILITIES AND EQUITY
Notes payable and other short-term debt	231.0	196.3
Current portion of long-term debt	5.5	381.5
Accounts payable and accrued expenses	1,276.5	1,297.8
Income taxes payable	55.4	29.8
Total current liabilities	1,568.4	1,905.4
Long-term debt	866.3	751.3
Other non-current liabilities:
Retirement-related liabilities	449.3	457.0
Other	357.0	391.9
Total other non-current liabilities	806.3	848.9
Common stock	1.2	1.2
Capital in excess of par value	1,185.0	1,134.3
Retained earnings	2,490.0	2,110.3
Accumulated other comprehensive (loss)	(120.6)	(150.8)
Common stock held in treasury	(510.8)	(707.1)
Total BorgWarner Inc. stockholders' equity	3,044.8	2,387.9
Noncontrolling interest	60.7	65.1
Total equity	3,105.5	2,453.0
Total liabilities and equity	$ 6,346.5	$ 5,958.6