v3.22.0.1
Employee Benefit Plans (Fair values of pension plan assets and Textuals) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]    
Payables To Broker Dealers And Clearing Organizations $ 5 $ 7
Insurance Contract Rights And Obligations Fair Value Option [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Fair Value Of Participating Interest In Annuity Contract 83 94
U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 68 180
Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 1,375 1,296
Portion At Other Than Fair Value, Fair Value Disclosure [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 1,580 1,675
Portion At Other Than Fair Value, Fair Value Disclosure [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 4,808 4,787
Defined Benefit Plan Equity Securities Us [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 8 8
Defined Benefit Plan Equity Securities Us [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Defined Benefit Plan Equity Securities Non Us [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 42 99
Defined Benefit Plan Equity Securities Non Us [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Mutual Funds -Equity [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 17 72
Mutual Funds -Equity [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 639 619
Common Collective Trust Equity Securities [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 394 678
Common Collective Trust Equity Securities [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 417 372
Defined Benefit Plan Debt Security [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 1 1
Defined Benefit Plan Debt Security [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Mutual Fund [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Mutual Fund [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 511 455
Defined Benefit Plan Common Collective Trust [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 1,073 730
Defined Benefit Plan Common Collective Trust [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 3,015 3,007
Defined Benefit Plan Cash And Cash Equivalents [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Defined Benefit Plan Cash And Cash Equivalents [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 68 74
Defined Benefit Plan Cash And Cash Equivalents [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 9 8
Defined Benefit Plan Cash And Cash Equivalents [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Defined Benefit Plan Derivative [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets   0
Defined Benefit Plan Derivative [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets   6
Defined Benefit Plan Real Estate [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Defined Benefit Plan Real Estate [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 157 142
Defined Benefit Plan Real Estate [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 36 79
Defined Benefit Plan Real Estate [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 1 112
Fair Value, Inputs, Level 1 [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 62 171
Fair Value, Inputs, Level 1 [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 815 770
Fair Value, Inputs, Level 1 [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 62 171
Fair Value, Inputs, Level 1 [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 815 770
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Equity Securities Us [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 3 0
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Equity Securities Us [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Equity Securities Non Us [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 42 99
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Equity Securities Non Us [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 1 [Member] | Mutual Funds -Equity [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 17 72
Fair Value, Inputs, Level 1 [Member] | Mutual Funds -Equity [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 236 235
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Debt Security [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Debt Security [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 1 [Member] | Mutual Fund [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 1 [Member] | Mutual Fund [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 511 455
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Cash And Cash Equivalents [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Cash And Cash Equivalents [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 68 74
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Derivative [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets   0
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Derivative [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets   6
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Real Estate [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan Real Estate [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 1 4
Fair Value, Inputs, Level 2 [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 403 384
Fair Value, Inputs, Level 2 [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 1 4
Fair Value, Inputs, Level 2 [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 403 384
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Equity Securities Us [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 3
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Equity Securities Us [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Equity Securities Non Us [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Equity Securities Non Us [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Mutual Funds -Equity [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Mutual Funds -Equity [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 403 384
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Debt Security [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 1 1
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Debt Security [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Mutual Fund [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Mutual Fund [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Cash And Cash Equivalents [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Cash And Cash Equivalents [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Derivative [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets   0
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Derivative [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets   0
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Real Estate [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan Real Estate [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 5 5
Fair Value, Inputs, Level 3 [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 157 142
Fair Value, Inputs, Level 3 [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 5 5
Fair Value, Inputs, Level 3 [Member] | Portion At Other Than Fair Value, Fair Value Disclosure [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 157 142
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Equity Securities Us [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 5 5
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Equity Securities Us [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Equity Securities Non Us [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Equity Securities Non Us [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds -Equity [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds -Equity [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Debt Security [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Debt Security [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Mutual Fund [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Mutual Fund [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Cash And Cash Equivalents [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Cash And Cash Equivalents [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Derivative [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets   0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Derivative [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets   0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Real Estate [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets 0 0
Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan Real Estate [Member] | Foreign Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Selected Plan Assets $ 157 $ 142