Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Profit of consolidated and affiliated companies	$ 1,667	$ 194
Other Comprehensive Income (Loss), Net of Tax:
Foreign currency translation, net of tax (provision)/benefit of: Three months ended: 2018-$15, 2017-$7	184	147
Pension and other postretirement benefits:
Current year prior service credit (cost), net of tax (provision)/benefit of: Three months ended: 2018-$1, 2017-$(4)	(2)	8
Amortization of prior service (credit) cost, net of tax (provision)/benefit of: Three months ended: 2018-$2, 2017-$1	(7)	(4)
Derivative financial instruments:
Gains (losses) deferred, net of tax (provision)/benefit of: Three months ended: 2018-$(1), 2017-$(5)	5	10
(Gains) losses reclassified to earnings, net of tax (provision)/benefit of: Three months ended: 2018-$(6), 2017-$(22)	18	40
Available-for-sale securities:
Gains (losses) deferred, net of tax (provision)/benefit of: Three months ended: 2018-$2, 2017-$(6)	(11)	8
(Gains) losses reclassified to earnings, net of tax (provision)/benefit of: Three months ended: 2018-$0, 2017-$(1)	0	3
Total other comprehensive income (loss), net of tax	187	212
Comprehensive Income	1,854	406
Less: comprehensive income attributable to the noncontrolling interests	(2)	(2)
Comprehensive income attributable to stockholders	$ 1,852	$ 404