Debt and Lines of Credit - Schedule of Long-term Debt Outstanding (Parenthetical) (Details)	Sep. 30, 2015	Dec. 31, 2014
Notes due 2015 at 0.45%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	0.45%	0.45%
Notes due 2016 at 2.375%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	2.375%	2.375%
Notes due 2017 at 0.875%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	0.875%	0.875%
Notes due 2018 at 1.00%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	1.00%	1.00%
Notes due 2019 at 1.65%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	1.65%	1.65%
Notes due 2020 at 1.75%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	1.75%	1.75%
Notes due 2021 at 2.75%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	2.75%	2.75%
Notes due 2023 at 2.25%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	2.25%	2.25%
National Semiconductor | Notes due 2015 at 3.95% (assumed with National acquisition)
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	3.95%	3.95%
National Semiconductor | Notes due 2017 at 6.60% (assumed with National acquisition)
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	6.60%	6.60%