Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Profit of consolidated and affiliated companies	$ 1,705	$ 803	$ 3,372	$ 997
Other Comprehensive Income (Loss), Net of Tax:
Foreign currency translation, net of tax (provision)/benefit of: Three months ended: 2018-$(30), 2017-$51	(411)	324	(227)	471
Pension and other postretirement benefits:
Current year prior service credit (cost), net of tax (provision)/benefit of: Six months ended: 2018-$1, 2017-$(4)			(2)	8
Amortization of prior service (credit) cost, net of tax (provision)/benefit of: Six months ended: 2018-$3, 2017-$4	(7)	(4)	(14)	(8)
Derivative financial instruments:
Gains (losses) deferred, net of tax (provision)/benefit of: Six months ended: 2018-$(14), 2017-$(5)	36	0	41	10
(Gains) losses reclassified to earnings, net of tax (provision)/benefit of: Six months ended: 2018-$24, 2017-$(36)	(96)	26	(78)	66
Available-for-sale securities:
Gains (losses) deferred, net of tax (provision)/benefit of: Six months ended: 2018-$3, 2017-$(9)	(2)	10	(13)	18
(Gains) losses reclassified to earnings, net of tax (provision)/benefit of: Six months ended: 2018-$0, 2017-$(1)			0	3
Total other comprehensive income (loss), net of tax	(480)	356	(293)	568
Comprehensive Income	1,225	1,159	3,079	1,565
Less: comprehensive income attributable to the noncontrolling interests	2	(1)	0	(3)
Comprehensive income attributable to stockholders	$ 1,227	$ 1,158	$ 3,079	$ 1,562