Basis of Presentation and Significant Accounting Policies and Practices (Tables)

12 Months Ended

Dec. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Earnings per Share, Basic and Diluted

Computation and reconciliation of earnings per common share are as follows (shares in millions):

	For Years Ended December 31,
	2020					2019					2018
	Net Income		Shares	EPS		Net Income		Shares	EPS		Net Income		Shares	EPS
Basic EPS:
Net income	$	5,595				$	5,017				$	5,580
Income allocated to RSUs	(27)					(32)					(43)
Income allocated to common stock	$	5,568	921	$	6.05	$	4,985	936	$	5.33	$	5,537	970	$	5.71
Dilutive effect of stock compensation plans			12					16					20
Diluted EPS:
Net income	$	5,595				$	5,017				$	5,580
Income allocated to RSUs	(27)					(31)					(42)
Income allocated to common stock	$	5,568	933	$	5.97	$	4,986	952	$	5.24	$	5,538	990	$	5.59