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

3 Months Ended

Mar. 31, 2018

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 Three Months Ended March 31,
	2018							2017
	Net							Net
	Income			Shares		EPS		Income			Shares		EPS
Basic EPS:
Net income	$	1,366						$	997
Income allocated to RSUs		(11	)						(10	)
Income allocated to common stock
for basic EPS calculation	$	1,355			983	$	1.38	$	987			998	$	.99
Adjustment for dilutive shares:
Stock compensation plans					22							21
Diluted EPS:
Net income	$	1,366						$	997
Income allocated to RSUs		(11	)						(10	)
Income allocated to common stock
for diluted EPS calculation	$	1,355			1,005	$	1.35	$	987			1,019	$	.97