Benefit Plans - Percentage of Fair Value of Pension Plan Assets (Details) - Pension Plans	Dec. 31, 2019	Dec. 31, 2018
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	100.00%	100.00%
U.S. Plans | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	15.00%	15.00%
U.S. Plans | Fixed-income securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	85.00%	85.00%
U.S. Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	0.00%	0.00%
U.S. Plans | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	0.00%	0.00%
U.S. Plans | Buy-in annuity policies
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	0.00%	0.00%
U.S. Plans | Cash
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	0.00%	0.00%
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	100.00%	100.00%
Non-U.S. Plans | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	26.00%	26.00%
Non-U.S. Plans | Fixed-income securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	54.00%	59.00%
Non-U.S. Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	6.00%	6.00%
Non-U.S. Plans | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	1.00%	2.00%
Non-U.S. Plans | Buy-in annuity policies
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	12.00%	6.00%
Non-U.S. Plans | Cash
Defined Benefit Plan Disclosure [Line Items]
Percentage of fair value pension plan assets	1.00%	1.00%