Balance Sheet Account Details (Tables)

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Short-term Investments

Available-for-sale debt securities, included in short-term investments, consisted of the following (in millions):

	March 31, 2019									December 30, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Debt securities in government sponsored entities	$	21	$	—	$	—		$	21	$	21	$	—	$	—		$	21
Corporate debt securities	716		2		(1		)	717		1,060		—		(2		)	1,058
U.S. Treasury securities	566		—		—			566		1,250		1		(1		)	1,250
Total	$	1,303	$	2	$	(1	)	$	1,304	$	2,331	$	1	$	(3	)	$	2,329

Summary of Contractual Maturities of Available-for-sale Debt Securities

Contractual maturities of available-for-sale debt securities, as of March 31, 2019, were as follows (in millions):

	Estimated Fair Value
Due within one year	$	711
After one but within five years	593
Total	$	1,304

Summary of Inventory

Inventory consisted of the following (in millions):

	March 31, 2019		December 30, 2018
Raw materials	$	115	$	117
Work in process	234		218
Finished goods	63		51
Total inventory	$	412	$	386

Summary of Property and Equipment

Property and equipment, net consisted of the following (in millions):

	March 31, 2019			December 30, 2018
Leasehold improvements	$	622		$	567
Machinery and equipment	390			382
Computer hardware and software	256			217
Furniture and fixtures	48			45
Buildings	44			285
Construction in progress	46			100
Total property and equipment, gross	1,406			1,596
Accumulated depreciation	(554		)	(521		)
Total property and equipment, net	$	852		$	1,075

Summary of Leases

As of March 31, 2019, the maturities of our operating lease liabilities were as follows (in millions):

	Remaining Lease Payments
2019	$	64
2020	85
2021	82
2022	85
2023	86
Thereafter	621
Total remaining lease payments	1,023
Less: imputed interest	(253		)
Total operating lease liabilities	770
Less: current portion	(52		)
Long-term operating lease liabilities	$	718
Weighted-average remaining lease term	12 years
Weighted-average discount rate	4.6		%

Components of Lease Costs

The components of our lease costs included in our condensed consolidated statements of income were as follows (in millions):

	Three months ended
	March 31, 2019
Operating lease costs	$	22
Sublease income	(3		)
Total lease costs	$	19

Summary of Accrued Liabilities

Accrued liabilities consisted of the following (in millions):

	March 31, 2019		December 30, 2018
Contract liabilities, current portion	$	169	$	175
Accrued compensation expenses	105		193
Accrued taxes payable	83		82
Operating lease liabilities, current portion	52		—
Other, including warranties	64		63
Total accrued liabilities	$	473	$	513

Summary of Changes in Reserve for Product Warranties

Changes in the reserve for product warranties during the three months ended March 31, 2019 and April 1, 2018 were as follows (in millions):

	Three Months Ended
	March 31, 2019			April 1, 2018
Balance at beginning of period	$	19		$	17
Additions charged to cost of product revenue	3			6
Repairs and replacements	(6		)	(7		)
Balance at end of period	$	16		$	16

Summary of Activity of Redeemable Noncontrolling Interests

The activity of the redeemable noncontrolling interests during the three months ended March 31, 2019 was as follows (in millions):

	Redeemable Noncontrolling Interests
Balance as of December 30, 2018	$	61
Vesting of redeemable equity awards	1
Net loss attributable to noncontrolling interests	(7		)
Adjustment down to the redemption value	(18		)
Balance as of March 31, 2019	$	37