CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Treasury Stock
Balance at Dec. 26, 2015	$ 1,603	$ 6	$ 2,607	$ 30	$ (982)	$ (58)
Balance, Shares at Dec. 26, 2015		554,835,306
Net income	529				529
Other comprehensive income (loss)	(159)			(159)
Forfeiture of restricted stock (in shares)		(6,945)
Exercise and release of incentive stock(including income tax benefits andwithholding)	(2)		(2)
Exercise and release of incentive stock (including income tax benefits and withholding) (in shares)		3,064,207
Dividends paid on common stock	(26)		(26)
Amortization of long-term incentive stock grants	39		39
Repurchase of common stock	(132)					(132)
Balance at Dec. 31, 2016	1,852	$ 6	2,618	(129)	(453)	(190)
Balance, Shares at Dec. 31, 2016		557,892,568
Net income	181				181
Other comprehensive income (loss)	51			51
Common stock issuance related to the CompuCom acquisition	135		135
Common stock issuance related to the CompuCom acquisition(in shares)		43,758,974
Exercise and release of incentive stock(including income tax benefits andwithholding)	(17)		(17)
Exercise and release of incentive stock (including income tax benefits and withholding) (in shares)		8,702,452
Dividends paid on common stock	(53)		(53)
Amortization of long-term incentive stock grants	29		29
Adjustment for adoption of accounting standard			1		(1)
Noncontrolling interest redemption value adjustment	(2)		(2)
Repurchase of common stock	(56)					(56)
Balance at Dec. 30, 2017	2,120	$ 6	2,711	(78)	(273)	(246)
Balance, Shares at Dec. 30, 2017		610,353,994
Net income	104				104
Other comprehensive income (loss)	(21)			(21)
Exercise and release of incentive stock(including income tax benefits andwithholding)	(3)		(3)
Exercise and release of incentive stock (including income tax benefits and withholding) (in shares)		4,064,910
Acquisition escrow shares returned	(1)		(1)
Acquisition escrow shares returned (in shares)		(248,200)
Dividends paid on common stock	(55)		(55)
Amortization of long-term incentive stock grants	27		27
Adjustment for adoption of accounting standard	(4)				(4)
Repurchase of common stock	$ (39)					(39)
Repurchase of common stock (in shares)	(14,000,000)
Other	$ (2)		(2)
Balance at Dec. 29, 2018	$ 2,126	$ 6	$ 2,677	$ (99)	$ (173)	$ (285)
Balance, Shares at Dec. 29, 2018		614,170,704