Debt and Lines of Credit - Schedule of Long-term Debt Outstanding (Parenthetical) (Details)	Sep. 30, 2017	May 31, 2017	Dec. 31, 2016
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%	2.75%
Notes due 2022 at 1.85%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	1.85%		1.85%
Notes due 2023 at 2.25%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	2.25%		2.25%
Notes due 2024 at 2.625%
Debt Instrument [Line Items]
Long-term debt stated interest rate (in percentage)	2.625%	2.625%	2.625%
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%