Defined Benefit Pension Plans - Summary of Net Periodic Benefit (Income) Cost and Other Amounts Recognized in Other Comprehensive (Income) Loss (Parenthetical) (Details) - Pension Benefits - Non-U.S. Plans $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Total lump sum benefit payments	$ 10
Unrecognized loss recognized as pension settlement expense	$ 1