Earnings per share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Computation for basic and diluted earnings per share

The computations for basic and diluted EPS were as follows (in millions, except per-share data):

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Income (Numerator):
Net income for basic and diluted EPS	$	2,021	$	1,968	$	5,649	$	6,139
Shares (Denominator):
Weighted-average shares for basic EPS	585		599		588		609
Effect of dilutive securities	4		3		4		4
Weighted-average shares for diluted EPS	589		602		592		613
Basic EPS	$	3.45	$	3.29	$	9.61	$	10.08
Diluted EPS	$	3.43	$	3.27	$	9.54	$	10.01