Consolidated Statement of Changes in Shareholders' Equity - USD ($) $ in Millions		Total	Adjustments to adopt new accounting guidance	Adjusted beginning balance	Common stock	Common stock Adjustments to adopt new accounting guidance	Common stock Adjusted beginning balance	Treasury stock	Treasury stock Adjustments to adopt new accounting guidance	Treasury stock Adjusted beginning balance	Profit employed in the business	Profit employed in the business Adjustments to adopt new accounting guidance	Profit employed in the business Adjusted beginning balance	Accumulated other comprehensive income (loss)	Accumulated other comprehensive income (loss) Adjustments to adopt new accounting guidance	Accumulated other comprehensive income (loss) Adjusted beginning balance	Noncontrolling interests	Noncontrolling interests Adjustments to adopt new accounting guidance	Noncontrolling interests Adjusted beginning balance
Balance at Dec. 31, 2019		$ 14,629		$ 14,604	$ 5,935		$ 5,935	$ (24,217)		$ (24,217)	$ 34,437		$ 34,412	$ (1,567)		$ (1,567)	$ 41		$ 41
Balance (Credit losses) at Dec. 31, 2019			$ (25)			$ 0			$ 0			$ (25)			$ 0			$ 0
Increase (Decrease) in Shareholders' Equity
Profit of consolidated and affiliated companies		1,552			0			0			1,550			0			2
Foreign currency translation		(185)			0			0			0			(185)			0
Pension and other post retirement benefits		(12)			0			0			0			(12)			0
Derivative financial instruments, net of tax		(72)			0			0			0			(72)			0
Available for sale securities		21			0			0			0			21			0
Dividends, Common Stock, Cash	[1]	(1,121)			0			0			(1,121)			0			0
Common shares issued from treasury stock for stock-based compensation: 322,888 for QTD 2020, 1,519,971 for YTD 2020; and 869,892 for QTD 2021, 3,239,575 for YTD 2021		(10)			(66)			56			0			0			0
Stock-based compensation expense, before tax (in dollars)		114			114			0			0			0			0
Common shares repurchased: 767,822 for QTD 2020, 10,096,006 for YTD 2020; and 1,161,955 for QTD 2021, 1,161,955 for YTD 2021	[2]	(1,250)			0			(1,250)			0			0			0
Other		136			(137)			1			0			0			0
Balance at Jun. 30, 2020		$ 13,777			6,120			(25,412)			34,841			(1,815)			43
Increase (Decrease) in Shareholders' Equity
Common shares issued, Shares, from treasury stock for stock-based compensation (in shares)		1,519,971
Common shares repurchased (in shares)		10,096,006
Common Stock, Dividends, Per Share, Declared		$ 2.06
Balance at Mar. 31, 2020		$ 14,239			6,046			(25,341)			35,504			(2,012)			42
Increase (Decrease) in Shareholders' Equity
Profit of consolidated and affiliated companies		459			0			0			458			0			1
Foreign currency translation		175			0			0			0			175			0
Pension and other post retirement benefits		(5)			0			0			0			(5)			0
Derivative financial instruments, net of tax		(12)			0			0			0			(12)			0
Available for sale securities		39			0			0			0			39			0
Dividends, Common Stock, Cash	[3]	(1,121)			0			0			(1,121)			0			0
Common shares issued from treasury stock for stock-based compensation: 322,888 for QTD 2020, 1,519,971 for YTD 2020; and 869,892 for QTD 2021, 3,239,575 for YTD 2021		13			(4)			17			0			0			0
Stock-based compensation expense, before tax (in dollars)		67			67			0			0			0			0
Common shares repurchased: 767,822 for QTD 2020, 10,096,006 for YTD 2020; and 1,161,955 for QTD 2021, 1,161,955 for YTD 2021	[4]	(87)			0			(87)			0			0			0
Other		10			11			(1)			0			0			0
Balance at Jun. 30, 2020		$ 13,777			6,120			(25,412)			34,841			(1,815)			43
Increase (Decrease) in Shareholders' Equity
Common shares issued, Shares, from treasury stock for stock-based compensation (in shares)		322,888
Common shares repurchased (in shares)		767,822
Common Stock, Dividends, Per Share, Declared		$ 2.06
Balance at Dec. 31, 2020		$ 15,378			6,230			(25,178)			35,167			(888)			47
Increase (Decrease) in Shareholders' Equity
Profit of consolidated and affiliated companies		2,945			0			0			2,943			0			2
Foreign currency translation		(248)			0			0			0			(248)			0
Pension and other post retirement benefits		(15)			0			0			0			(15)			0
Derivative financial instruments, net of tax		12			0			0			0			12			0
Available for sale securities		(15)			0			0			0			(15)			0
Dividends, Common Stock, Cash	[1]	(1,176)			0			0			(1,176)			0			0
Distribution to noncontrolling interests		(2)			0			0			0			0			(2)
Common shares issued from treasury stock for stock-based compensation: 322,888 for QTD 2020, 1,519,971 for YTD 2020; and 869,892 for QTD 2021, 3,239,575 for YTD 2021		123			(65)			188			0			0			0
Stock-based compensation expense, before tax (in dollars)		111			111			0			0			0			0
Common shares repurchased: 767,822 for QTD 2020, 10,096,006 for YTD 2020; and 1,161,955 for QTD 2021, 1,161,955 for YTD 2021	[2]	(251)			0			(251)			0			0			0
Other		18			17			1			0			0			0
Balance at Jun. 30, 2021		$ 16,880			6,293			(25,240)			36,934			(1,154)			47
Increase (Decrease) in Shareholders' Equity
Common shares issued, Shares, from treasury stock for stock-based compensation (in shares)		3,329,575
Common shares repurchased (in shares)		1,161,955
Common Stock, Dividends, Per Share, Declared		$ 2.14
Balance at Mar. 31, 2021		$ 16,617			6,215			(25,049)			36,697			(1,290)			44
Increase (Decrease) in Shareholders' Equity
Profit of consolidated and affiliated companies		1,414			0			0			1,413			0			1
Foreign currency translation		99			0			0			0			99			0
Pension and other post retirement benefits		(7)			0			0			0			(7)			0
Derivative financial instruments, net of tax		43			0			0			0			43			0
Available for sale securities		1			0			0			0			1			0
Dividends, Common Stock, Cash	[3]	(1,176)			0			0			(1,176)			0			0
Common shares issued from treasury stock for stock-based compensation: 322,888 for QTD 2020, 1,519,971 for YTD 2020; and 869,892 for QTD 2021, 3,239,575 for YTD 2021		58			(2)			60			0			0			0
Stock-based compensation expense, before tax (in dollars)		69			69			0			0			0			0
Common shares repurchased: 767,822 for QTD 2020, 10,096,006 for YTD 2020; and 1,161,955 for QTD 2021, 1,161,955 for YTD 2021	[4]	(251)			0			(251)			0			0			0
Other		13			11			0			0			0			2
Balance at Jun. 30, 2021		$ 16,880			$ 6,293			$ (25,240)			$ 36,934			$ (1,154)			$ 47
Increase (Decrease) in Shareholders' Equity
Common shares issued, Shares, from treasury stock for stock-based compensation (in shares)		869,892
Common shares repurchased (in shares)		1,161,955
Common Stock, Dividends, Per Share, Declared		$ 2.14

[1] Dividends per share of common stock of $2.14 and $2.06 were declared in the six months ended June 30, 2021 and 2020, respectively.

[2] See Note 12 for additional information

[3] Dividends per share of common stock of $2.14 and $2.06 were declared in the three months ended June 30, 2021 and 2020, respectively.

[4] See Note 12 for additional information.