CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
OPERATING
Net cash provided by operating activities	$ 1,306	$ 1,184	$ 1,008
INVESTING
Capital expenditures, including tooling outlays	(666)	(441)	(481)
Capital expenditures for damage to property, plant and equipment	(2)	(20)	0
Insurance proceeds received for damage to property, plant and equipment	5	20	0
Payments for businesses acquired, net of cash and restricted cash acquired	(759)	(449)	(10)
Proceeds from sale of businesses, net of cash divested	22	0	24
Proceeds from settlement of net investment hedges, net	11	10	22
Payments for investments in equity securities	(20)	(2)	(53)
Proceeds from asset disposals and other, net	14	16	9
Net cash used in investing activities	(1,395)	(866)	(489)
FINANCING
Net (decrease) increase in notes payable	(8)	8	0
Additions to debt	1,286	1,178	63
Repayments of debt, including current portion	(699)	(331)	(204)
Payments for debt issuance costs	(11)	(10)	0
Payments for purchase of treasury stock	0	(216)	(100)
Payments for stock-based compensation items	(15)	(13)	(15)
(Purchase of) capital contribution from noncontrolling interest	(33)	4	4
Dividends paid to BorgWarner stockholders	(162)	(146)	(140)
Dividends paid to noncontrolling stockholders	(72)	(37)	(28)
Net cash provided by financing activities	286	437	(420)
Effect of exchange rate changes on cash	(3)	63	(6)
Net increase in cash and cash equivalents	194	818	93
Cash and cash equivalents at beginning of year	1,650	832	739
Cash, cash equivalents and restricted cash at end of year	$ 1,844	$ 1,650	$ 832