Consolidated Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Profit (loss) of consolidated and affiliated companies	$ 6,094	$ 6,148	$ 759
Other comprehensive income (loss), Net of Tax:
Foreign currency translation, net of tax (provision)/benefit of: 2019 - $(5); 2018 - $(24); 2017 - $96	16	(396)	765
Pension and other postretirement benefits:
Current year prior service credit (cost), net of tax (provision)/benefit of: 2019 - $0; 2018 - $(6); 2017 - $(26)	(4)	(6)	48
Amortization of prior service (credit) cost, net of tax (provision)/benefit of: 2019 -$10; 2018 - $8; 2017 - $9	(30)	(28)	(16)
Derivative financial instruments:
Gains (losses) deferred, net of tax (provision)/benefit of: 2019 -$(14); 2018 - $(19); 2017 - $2	43	61	(3)
(Gains) losses reclassified to earnings, net of tax (provision)/benefit of: 2019 -$15; 2018 - $31; 2017 - $(44)	51	100	(77)
Available-for-sale securities:
Gains (losses) deferred, net of tax (provision)/benefit of: 2019 -$(10); 2018 - $3; 2017 - $(23)	35	(12)	41
(Gains) losses reclassified to earnings, net of tax (provision)/benefit of: 2019 -$0; 2018 - $0; 2017 - $35	0	0	(65)
Total other comprehensive income (loss), net of tax	9	(481)	847
Comprehensive income (loss)	6,103	5,667	1,606
Less: comprehensive income attributable to the noncontrolling interests	1	1	5
Comprehensive income (loss) attributable to shareholders	$ 6,102	$ 5,666	$ 1,601