Quarterly financial data (unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial data

	2019 Quarters								2018 Quarters
	4th		3rd		2nd		1st		4th		3rd		2nd		1st
Revenue	$	3,350	$	3,771	$	3,668	$	3,594	$	3,717	$	4,261	$	4,017	$	3,789
Gross profit	2,097		2,446		2,360		2,261		2,407		2,804		2,619		2,447
Included in operating profit:
Acquisition charges	50		79		80		79		79		80		79		80
Restructuring charges/other	—		—		(36)		—		(2)		1		3		1
Operating profit	1,249		1,589		1,506		1,379		1,516		1,937		1,712		1,548
Net income	1,070		1,425		1,305		1,217		1,239		1,570		1,405		1,366
Basic EPS	$	1.14	$	1.51	$	1.38	$	1.29	$	1.29	$	1.61	$	1.43	$	1.38
Diluted EPS	$	1.12	$	1.49	$	1.36	$	1.26	$	1.27	$	1.58	$	1.40	$	1.35