Note 21 - Segments, Geographical Area and Major Customer Information (Details Textual) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Number of Operating Segments									4
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 2,108	$ 1,994	$ 1,078	$ 1,926	$ 1,987	$ 2,164	$ 2,306	$ 2,163	$ 7,106	$ 8,620	$ 8,143
Ford [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total									1,436	1,753	1,646
FCA [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total									839	988	911
UNITED STATES
Revenue from Contract with Customer, Excluding Assessed Tax, Total									3,404	4,069	3,613
ITALY
Revenue from Contract with Customer, Excluding Assessed Tax, Total									993	1,186	971
GERMANY
Revenue from Contract with Customer, Excluding Assessed Tax, Total									429	478	513
CHINA
Revenue from Contract with Customer, Excluding Assessed Tax, Total									$ 379	$ 321	$ 311
Geographic Concentration Risk [Member] | Revenue Benchmark [Member] | UNITED STATES
Concentration Risk, Percentage									48.00%
Geographic Concentration Risk [Member] | Revenue Benchmark [Member] | ITALY
Concentration Risk, Percentage									14.00%
Geographic Concentration Risk [Member] | Revenue Benchmark [Member] | GERMANY
Concentration Risk, Percentage									6.00%
Geographic Concentration Risk [Member] | Revenue Benchmark [Member] | CHINA
Concentration Risk, Percentage									5.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Ford [Member]
Concentration Risk, Percentage									20.00%	20.00%	20.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | FCA [Member]
Concentration Risk, Percentage									12.00%	11.00%	11.00%