Consolidated Statement of Changes in Shareholders' Equity - USD ($) $ in Millions		Total	Common stock	Treasury stock	Profit employed in the business	Accumulated other comprehensive income (loss)	Noncontrolling interests
Balance at Dec. 31, 2016		$ 13,213	$ 5,277	$ (17,478)	$ 27,377	$ (2,039)	$ 76
Increase (Decrease) in Shareholders' Equity
Adjustment to adopt stock-based compensation guidance		15	0	0	15	0	0
Balance at Jan. 01, 2017		13,228	5,277	(17,478)	27,392	(2,039)	76
Balance at Dec. 31, 2016		13,213	5,277	(17,478)	27,377	(2,039)	76
Increase (Decrease) in Shareholders' Equity
Profit of consolidated and affiliated companies		2,058	0	0	2,053	0	5
Foreign currency translation, net of tax		719	0	0	0	719	0
Pension and other postretirement benefits, net of tax		(4)	0	0	0	(4)	0
Derivative financial instruments, net of tax		83	0	0	0	83	0
Available-for-sale securities, net of tax		8	0	0	0	8	0
Change in Ownership for Noncontrolling Interests		(1)	(4)	0	0	0	3
Dividends declared		(915)	0	0	(915)	0	0
Distribution to noncontrolling interests		(8)	0	0	0	0	(8)
Common shares issued from treasury stock for stock-based compensation: 5,284,974 and 8,447,558 for the nine months ended September 30, 2018 and 2017, respectively		353	5	348	0	0	0
Stock-based compensation expense, before tax (in dollars)		165	165	0	0	0	0
Other		9	9	0	0	0	0
Balance at Sep. 30, 2017		15,697	5,460	(17,130)	28,530	(1,233)	70
Balance at Dec. 31, 2017		13,766	5,593	(17,005)	26,301	(1,192)	69
Increase (Decrease) in Shareholders' Equity
Adjustment to adopt stock-based compensation guidance | Revenue recognition		(12)	0	0	(12)	0	0
Adjustment to adopt stock-based compensation guidance | Tax accounting for intra-entity asset transfers		(35)	0	0	(35)	0	0
Adjustment to adopt stock-based compensation guidance | Recognition and measurement of financial assets and liabilities		0	0	0	11	(11)	0
Balance at Jan. 01, 2018		13,719	5,593	(17,005)	26,265	(1,203)	69
Balance at Dec. 31, 2017		13,766	5,593	(17,005)	26,301	(1,192)	69
Increase (Decrease) in Shareholders' Equity
Profit of consolidated and affiliated companies		5,099	0	0	5,099	0	0
Profit of consolidated and affiliated companies | Revenue recognition		11
Foreign currency translation, net of tax		(292)	0	0	0	(292)	0
Pension and other postretirement benefits, net of tax		(23)	0	0	0	(23)	0
Derivative financial instruments, net of tax		(36)	0	0	0	(36)	0
Available-for-sale securities, net of tax		(14)	0	0	0	(14)	0
Change in Ownership for Noncontrolling Interests		(43)	(25)	0	0	0	(18)
Dividends declared		(980)	0	0	(980)	0	0
Distribution to noncontrolling interests		(1)	0	0	0	0	(1)
Common shares issued from treasury stock for stock-based compensation: 5,284,974 and 8,447,558 for the nine months ended September 30, 2018 and 2017, respectively		292	36	256	0	0	0
Stock-based compensation expense, before tax (in dollars)		164	164	0	0	0	0
Common shares repurchased: 12,804,035 and 0 for the nine months ended September 30, 2018 and 2017, respectively	[1]	(1,932)	0	(1,932)	0	0	0
Other		(63)	(53)	0	0	0	(10)
Balance at Sep. 30, 2018		$ 15,890	$ 5,715	$ (18,681)	$ 30,384	$ (1,568)	$ 40

[1] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOmU5OWRlMmFjMTdmOTQ1ZGRhN2I3MTdhMmVlYWMyZDgyfFRleHRTZWxlY3Rpb246NEZDMzJGRjU3MEE3M0U5REUyNEY0MkU5RUY5QzgwNjAM}