Condensed Consolidated Statement of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock and Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Noncontrolling Interests	1.75% senior convertible notes Common Stock and Additional Paid-in Capital	2.00% senior convertible notes Common Stock and Additional Paid-in Capital
Balance (in shares) at Dec. 31, 2017		161.6
Balance at beginning of period at Dec. 31, 2017		$ 353	$ (2,562)	$ 467	$ 15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings				117
Other comprehensive income (loss)			54
Issuance of common stock and stock options exercised (in shares)		1.7
Issuance of common stock and stock options exercised		$ 53
Share repurchase program (in shares)		(0.6)
Share repurchase program				(66)
Share-based compensation expense		$ 17
Dividends declared				(84)
Balance (in shares) at Mar. 31, 2018		162.7
Balance at end of period at Mar. 31, 2018		$ 423	(2,508)	531	15
Balance (in shares) at Dec. 31, 2017		161.6
Balance at beginning of period at Dec. 31, 2017		$ 353	(2,562)	467	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 546
Other comprehensive income (loss)	(9)
Dividends paid to non-controlling interest on subsidiary common stock	1
Balance (in shares) at Sep. 29, 2018		164.0
Balance at end of period at Sep. 29, 2018		$ 372	(2,571)	788	16
Balance (in shares) at Mar. 31, 2018		162.7
Balance at beginning of period at Mar. 31, 2018		$ 423	(2,508)	531	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings				180	1
Other comprehensive income (loss)			(72)
Issuance of common stock and stock options exercised (in shares)		0.1
Issuance of common stock and stock options exercised		$ 6
Share-based compensation expense		$ 17
Dividends declared				(84)
Dividends paid to non-controlling interest on subsidiary common stock					(1)
Balance (in shares) at Jun. 30, 2018		162.8
Balance at end of period at Jun. 30, 2018		$ 446	(2,580)	627	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	248			247	1
Other comprehensive income (loss)	9		9
Issuance of common stock and stock options exercised (in shares)		1.2
Issuance of common stock and stock options exercised		$ 80
Share-based compensation expense		$ 19
Dividends declared				(85)
Equity component of senior convertible notes							$ (173)
Balance (in shares) at Sep. 29, 2018		164.0
Balance at end of period at Sep. 29, 2018		$ 372	(2,571)	788	16
Balance (in shares) at Dec. 31, 2018		164.0
Balance at beginning of period at Dec. 31, 2018	(1,276)	$ 421	(2,765)	1,051	17
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings				151	1
Other comprehensive income (loss)			41
Issuance of common stock and stock options exercised (in shares)		1.2
Issuance of common stock and stock options exercised		$ 45
Share repurchase program (in shares)		(1.2)
Share repurchase program				(145)
Share-based compensation expense		$ 27
Issuance of common stock for acquisition of VaaS (in shares)		1.4
Issuance of common stock for acquisition of VaaS		$ 160
Dividends declared				(94)
Balance (in shares) at Mar. 30, 2019		165.4
Balance at end of period at Mar. 30, 2019		$ 653	(2,724)	963	18
Balance (in shares) at Dec. 31, 2018		164.0
Balance at beginning of period at Dec. 31, 2018	(1,276)	$ 421	(2,765)	1,051	17
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	628
Other comprehensive income (loss)	$ 6
Share repurchase program (in shares)	(1.4)
Dividends paid to non-controlling interest on subsidiary common stock	$ 3
Balance (in shares) at Sep. 28, 2019		171.6
Balance at end of period at Sep. 28, 2019	(1,084)	$ 438	(2,759)	1,220	17
Balance (in shares) at Mar. 30, 2019		165.4
Balance at beginning of period at Mar. 30, 2019		$ 653	(2,724)	963	18
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings				207	1
Other comprehensive income (loss)			(13)
Issuance of common stock and stock options exercised (in shares)		0.5
Issuance of common stock and stock options exercised		$ 33
Share repurchase program (in shares)		(0.2)
Share repurchase program				(25)
Share-based compensation expense		$ 30
Dividends declared				(94)
Dividends paid to non-controlling interest on subsidiary common stock					(3)
Balance (in shares) at Jun. 29, 2019		165.7
Balance at end of period at Jun. 29, 2019		$ 716	(2,737)	1,051	16
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	268			267	1
Other comprehensive income (loss)	(22)		(22)
Issuance of common stock and stock options exercised (in shares)		0.4
Issuance of common stock and stock options exercised		$ 12
Issuance of common stock for convertible debt (in shares)		5.5
Issuance of common stock for convertible debt		$ 988
Share-based compensation expense		$ 30
Dividends declared				(98)
Equity component of senior convertible notes						$ 10	$ (1,318)
Balance (in shares) at Sep. 28, 2019		171.6
Balance at end of period at Sep. 28, 2019	$ (1,084)	$ 438	$ (2,759)	$ 1,220	$ 17