Note 17 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net sales	$ 1,994	$ 2,164	$ 4,998	$ 6,633
Light Vehicle Segment [Member]
Net sales	913	930	2,058	2,763
Commercial Vehicle Segment [Member]
Net sales	314	398	847	1,266
Off-Highway Segment [Member]
Net sales	507	582	1,440	1,808
Power Technologies Segment [Member]
Net sales	260	254	653	796
North America [Member]
Net sales	1,069	1,158	2,530	3,444
North America [Member] | Light Vehicle Segment [Member]
Net sales	694	699	1,518	2,042
North America [Member] | Commercial Vehicle Segment [Member]
Net sales	190	238	510	745
North America [Member] | Off-Highway Segment [Member]
Net sales	60	89	192	245
North America [Member] | Power Technologies Segment [Member]
Net sales	125	132	310	412
Europe [Member]
Net sales	577	614	1,588	2,005
Europe [Member] | Light Vehicle Segment [Member]
Net sales	94	80	233	256
Europe [Member] | Commercial Vehicle Segment [Member]
Net sales	50	49	136	181
Europe [Member] | Off-Highway Segment [Member]
Net sales	321	381	929	1,243
Europe [Member] | Power Technologies Segment [Member]
Net sales	112	104	290	325
South America [Member]
Net sales	96	134	244	396
South America [Member] | Light Vehicle Segment [Member]
Net sales	32	34	72	105
South America [Member] | Commercial Vehicle Segment [Member]
Net sales	50	85	138	245
South America [Member] | Off-Highway Segment [Member]
Net sales	9	11	22	31
South America [Member] | Power Technologies Segment [Member]
Net sales	5	4	12	15
Asia Pacific [Member]
Net sales	252	258	636	788
Asia Pacific [Member] | Light Vehicle Segment [Member]
Net sales	93	117	235	360
Asia Pacific [Member] | Commercial Vehicle Segment [Member]
Net sales	24	26	63	95
Asia Pacific [Member] | Off-Highway Segment [Member]
Net sales	117	101	297	289
Asia Pacific [Member] | Power Technologies Segment [Member]
Net sales	$ 18	$ 14	$ 41	$ 44