Annual report pursuant to Section 13 and 15(d)

Financial Instruments Financial Instruments (Details 3)

v3.20.4
Financial Instruments Financial Instruments (Details 3) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Business Combination, Contingent Consideration, Liability $ 0 $ 0