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Debt and Lines of Credit - Schedule of Long-term Debt Outstanding (Details) - USD ($) $ in Millions	Dec. 31, 2015	May. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	May. 31, 2013
Debt Instrument [Line Items]
Debt, gross	$ 4,125		$ 4,625
Net unamortized (discount) premium and debt issuance costs	(5)		6
Total debt, including net unamortized (discount) premium and debt issuance costs	4,120		4,631
Current portion of long-term debt	(1,000)		(1,001)
Long-term debt	3,120		3,630
Notes due 2015 at 0.45%
Debt Instrument [Line Items]
Debt, gross	0		750
Notes due 2016 at 2.375%
Debt Instrument [Line Items]
Debt, gross	1,000		1,000
Notes due 2017 at 0.875%
Debt Instrument [Line Items]
Debt, gross	250		250	$ 250
Notes due 2018 at 1.00%
Debt Instrument [Line Items]
Debt, gross	500		500		$ 500
Notes due 2019 at 1.65%
Debt Instrument [Line Items]
Debt, gross	750		750
Notes due 2020 at 1.75%
Debt Instrument [Line Items]
Debt, gross	500	$ 500	0
Notes due 2021 at 2.75%
Debt Instrument [Line Items]
Debt, gross	250		250	$ 250
Notes due 2023 at 2.25%
Debt Instrument [Line Items]
Debt, gross	500		500		$ 500
National Semiconductor \| Notes due 2015 at 3.95% (assumed with National acquisition)
Debt Instrument [Line Items]
Debt, gross	0		250
National Semiconductor \| Notes due 2017 at 6.60% (assumed with National acquisition)
Debt Instrument [Line Items]
Debt, gross	$ 375		$ 375