Financial Instruments (Tables)

6 Months Ended

Jun. 28, 2014

Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]

Summary of Available-for-sale Securities

		Total Fair Value		Cash and Cash Equivalents		Short-Term Marketable Securities		Long-Term Marketable Securities
	(In millions)
June 28, 2014
Cash		$	372	$	372	$	—	$	—
Level 1(1) (2)
Money market funds		$	6	$	6	$	—	$	—
Total level 1		$	6	$	6	$	—	$	—
Level 2(2) (3)
Commercial paper		$	525	$	125	$	400	$	—
Corporate bonds		45		—		45		—
Total level 2		$	570	$	125	$	445	$	—
Total		$	948	$	503	$	445	$	—

		Total Fair Value		Cash and Cash Equivalents		Short-Term Marketable Securities		Long-Term Marketable Securities
	(In millions)
December 28, 2013
Cash		$	429	$	429	$	—	$	—
Level 1(1) (2)
Money market funds		$	21	$	19	$	—	$	2
Total level 1		$	21	$	19	$	—	$	2
Level 2(2) (3)
Commercial paper		$	599	$	421	$	178	$	—
Time deposit		50		—		50		—
Corporate bonds		88		—		—		88
Total level 2		$	737	$	421	$	228	$	88
Total		$	1,187	$	869	$	228	$	90

Financial Instruments Not Recorded at Fair Value on a Recurring Basis

	June 28, 2014				December 28, 2013
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
	(In millions)
Short-term debt (excluding capital leases)	$	96	$	98	$	55	$	55
Long-term debt (excluding capital leases)	$	2,100	$	2,232	$	1,986	$	2,132

Schedule of Derivative Instruments, Gain (Loss) in Statement of Operations

	Three Months Ended						Six Months Ended
	June 28, 2014			June 29, 2013			June 28, 2014			June 29, 2013
	(In millions)
Foreign Currency Forward Contracts
Contracts designated as cash flow hedging instruments
Other comprehensive income (loss)	$	5		$	(2	)	$	4		$	(4	)
Research and development	(1		)	—			(2		)	—
Marketing, general and administrative	—			—			(1		)	—
Contracts not designated as hedging instruments
Other income (expense), net	$	1		$	(1	)	$	—		$	(2	)

Schedule of Derivative Instruments in Balance Sheet

	June 28, 2014		December 28, 2013
	(In millions)
Foreign Currency Forward Contracts
Contracts designated as cash flow hedging instruments	$	1	$	(3	)
Contracts not designated as hedging instruments	$	—	$	(1	)