Note 18 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net sales	$ 2,205	$ 1,078	$ 4,468	$ 3,004
Light Vehicle Segment [Member]
Net sales	890	337	1,881	1,145
Commercial Vehicle Segment [Member]
Net sales	387	203	736	535
Off-Highway Segment [Member]
Net sales	669	398	1,304	931
Power Technologies Segment [Member]
Net sales	259	140	547	393
North America [Member]
Net sales	1,012	479	2,107	1,461
North America [Member] | Light Vehicle Segment [Member]
Net sales	626	238	1,332	824
North America [Member] | Commercial Vehicle Segment [Member]
Net sales	198	121	383	320
North America [Member] | Off-Highway Segment [Member]
Net sales	72	58	138	132
North America [Member] | Power Technologies Segment [Member]
Net sales	116	62	254	185
Europe [Member]
Net sales	753	397	1,485	1,011
Europe [Member] | Light Vehicle Segment [Member]
Net sales	118	37	241	139
Europe [Member] | Commercial Vehicle Segment [Member]
Net sales	70	37	133	86
Europe [Member] | Off-Highway Segment [Member]
Net sales	440	259	857	608
Europe [Member] | Power Technologies Segment [Member]
Net sales	125	64	254	178
South America [Member]
Net sales	140	43	260	148
South America [Member] | Light Vehicle Segment [Member]
Net sales	39	10	75	40
South America [Member] | Commercial Vehicle Segment [Member]
Net sales	93	29	170	97
South America [Member] | Off-Highway Segment [Member]
Net sales	4	2	6	4
South America [Member] | Power Technologies Segment [Member]
Net sales	4	2	9	7
Asia Pacific [Member]
Net sales	300	159	616	384
Asia Pacific [Member] | Light Vehicle Segment [Member]
Net sales	107	52	233	142
Asia Pacific [Member] | Commercial Vehicle Segment [Member]
Net sales	26	16	50	32
Asia Pacific [Member] | Off-Highway Segment [Member]
Net sales	153	79	303	187
Asia Pacific [Member] | Power Technologies Segment [Member]
Net sales	$ 14	$ 12	$ 30	$ 23