CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Millions		Total		Common Shares Outstanding	Common Stock and Other Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)		Non-controlling Interest
Common Shares Outstanding, Beginning Balance (in shares) at Dec. 31, 2018				818,180
Shareholders' Equity, beginning balance at Dec. 31, 2018		$ 12,580			$ 1,067	$ 12,157	$ (661)	[1]	$ 17
Comprehensive Earnings:
Net Earnings		834				834
Other Comprehensive Income (Note 11)		2					2	[1]
Total Comprehensive Earnings		836
Common stock dividends, per share		(195)				(195)
Share Repurchases (in shares)				(11,540)
Share Repurchases		(796)			(12)	(784)
Stock Option Exercises and Other (in shares)				2,524
Stock Option Exercises and Other		20			21	(1)
Common Shares Outstanding, Ending balance (in shares) at Mar. 31, 2019				809,164
Shareholders' Equity, ending balance at Mar. 31, 2019		12,445			1,076	12,011	(659)	[1]	17
Common Shares Outstanding, Beginning Balance (in shares) at Dec. 31, 2018				818,180
Shareholders' Equity, beginning balance at Dec. 31, 2018		12,580			1,067	12,157	(661)	[1]	17
Comprehensive Earnings:
Net Earnings	[2]	2,560
Total Comprehensive Earnings	[2]	$ 2,573
Share Repurchases (in shares)		(39,000)
Common Shares Outstanding, Ending balance (in shares) at Sep. 30, 2019				782,342
Shareholders' Equity, ending balance at Sep. 30, 2019		$ 11,879			1,096	11,416	(648)	[1]	15
Comprehensive Earnings:
Associated tax of accumulated other comprehensive loss balances							179
Common Shares Outstanding, Beginning Balance (in shares) at Mar. 31, 2019				809,164
Shareholders' Equity, beginning balance at Mar. 31, 2019		12,445			1,076	12,011	(659)	[1]	17
Comprehensive Earnings:
Net Earnings		870				870
Other Comprehensive Income (Note 11)		4					4	[1]
Total Comprehensive Earnings		874
Common stock dividends, per share		(193)				(193)
Share Repurchases (in shares)				(11,266)
Share Repurchases		(860)			(11)	(849)
Stock Option Exercises and Other (in shares)				278
Stock Option Exercises and Other		24			23	4			(3)
Common Shares Outstanding, Ending balance (in shares) at Jun. 30, 2019				798,176
Shareholders' Equity, ending balance at Jun. 30, 2019		12,290			1,088	11,843	(655)	[1]	14
Comprehensive Earnings:
Associated tax of accumulated other comprehensive loss balances							177
Net Earnings		856	[2]			856
Other Comprehensive Income (Note 11)		7					7	[1]
Total Comprehensive Earnings	[2]	863
Common stock dividends, per share		$ (189)				(189)
Share Repurchases (in shares)		(16,000)		(16,098)
Share Repurchases		$ (1,111)			(16)	(1,095)
Stock Option Exercises and Other (in shares)				264
Stock Option Exercises and Other		26			24	1			1
Common Shares Outstanding, Ending balance (in shares) at Sep. 30, 2019				782,342
Shareholders' Equity, ending balance at Sep. 30, 2019		11,879			1,096	11,416	(648)	[1]	15
Comprehensive Earnings:
Associated tax of accumulated other comprehensive loss balances							175
Common Shares Outstanding, Beginning Balance (in shares) at Dec. 31, 2019				773,471
Shareholders' Equity, beginning balance at Dec. 31, 2019		11,863			1,119	11,404	(675)	[3]	15
Comprehensive Earnings:
Net Earnings		770				770
Other Comprehensive Income (Note 11)		3					3	[3]
Total Comprehensive Earnings		773
Common stock dividends, per share		(201)				(201)
Share Repurchases (in shares)				(8,906)
Share Repurchases		(577)			(9)	(568)
Stock Option Exercises and Other (in shares)				894
Stock Option Exercises and Other		30			21	7			2
Common Shares Outstanding, Ending balance (in shares) at Mar. 31, 2020				765,459
Shareholders' Equity, ending balance at Mar. 31, 2020		11,888			1,131	11,412	(672)	[3]	17
Common Shares Outstanding, Beginning Balance (in shares) at Dec. 31, 2019				773,471
Shareholders' Equity, beginning balance at Dec. 31, 2019		11,863			1,119	11,404	(675)	[3]	15
Comprehensive Earnings:
Net Earnings		2,005
Other Comprehensive Income (Note 11)		57
Total Comprehensive Earnings		$ 2,062
Share Repurchases (in shares)		(10,000)
Common Shares Outstanding, Ending balance (in shares) at Sep. 30, 2020				764,775
Shareholders' Equity, ending balance at Sep. 30, 2020		$ 12,727			1,165	12,166	(618)	[3]	14
Comprehensive Earnings:
Associated tax of accumulated other comprehensive loss balances							183
Common Shares Outstanding, Beginning Balance (in shares) at Mar. 31, 2020				765,459
Shareholders' Equity, beginning balance at Mar. 31, 2020		11,888			1,131	11,412	(672)	[3]	17
Comprehensive Earnings:
Net Earnings		499				499
Other Comprehensive Income (Note 11)		20					20	[3]
Total Comprehensive Earnings		519
Common stock dividends, per share		(199)				(199)
Share Repurchases (in shares)				(580)
Share Repurchases		(39)			(1)	(38)
Stock Option Exercises and Other (in shares)				174
Stock Option Exercises and Other		(6)			(4)	2			(4)
Common Shares Outstanding, Ending balance (in shares) at Jun. 30, 2020				765,053
Shareholders' Equity, ending balance at Jun. 30, 2020		12,163			1,126	11,676	(652)	[3]	13
Comprehensive Earnings:
Associated tax of accumulated other comprehensive loss balances							178
Net Earnings		736				736
Other Comprehensive Income (Note 11)		34					34	[3]
Total Comprehensive Earnings		770
Common stock dividends, per share		$ (199)				(199)
Share Repurchases (in shares)		(1,000)		(705)
Share Repurchases		$ (48)			(1)	(47)
Stock Option Exercises and Other (in shares)				427
Stock Option Exercises and Other		41			40	0			1
Common Shares Outstanding, Ending balance (in shares) at Sep. 30, 2020				764,775
Shareholders' Equity, ending balance at Sep. 30, 2020		$ 12,727			$ 1,165	$ 12,166	(618)	[3]	$ 14
Comprehensive Earnings:
Associated tax of accumulated other comprehensive loss balances							$ 165

[1] Accumulated Other Comprehensive Loss balances shown above are net of tax. The associated taxes were $179 million, $177 million and $175 million as of first, second and third quarters 2019, respectively. For additional information, see Note 11, Other Comprehensive Income.

[2] Certain prior year data has been reclassified to conform to the current presentation.

[3] Accumulated Other Comprehensive Loss balances shown above are net of tax. The associated taxes were $183 million, $178 million and $165 million as of first, second and third quarters 2020, respectively. For additional information, see Note 11, Other Comprehensive Income.