Employee Benefits Schedule of Fair Value, Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Plan [Member]
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	$ 547	$ 800	$ 753
Pension Plan [Member] | Money market funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	4	6
Pension Plan [Member] | Collective trust funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	525	764
Pension Plan [Member] | Private equity funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	2	5
Pension Plan [Member] | Defined Benefit Plan, Equity Securities, US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	16	25
Pension Plan [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	16	25
Pension Plan [Member] | Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan, Equity Securities, US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	16	25
Pension Plan [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Pension Plan [Member] | Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan, Equity Securities, US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Pension Plan [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Pension Plan [Member] | Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan, Equity Securities, US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Pension Plan [Member] | Other
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	531	775
Pension Plan [Member] | Other | Money market funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	4	6
Pension Plan [Member] | Other | Collective trust funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	525	764
Pension Plan [Member] | Other | Private equity funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	2	5
Other Postretirement Benefit Plans [Member]
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	21	37	$ 35
Other Postretirement Benefit Plans [Member] | Money market funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	5	6
Other Postretirement Benefit Plans [Member] | Money Market Funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	4	3
Other Postretirement Benefit Plans [Member] | Collective trust funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	3	8
Other Postretirement Benefit Plans [Member] | Defined Benefit Plan, Equity Securities, US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	2	4
Other Postretirement Benefit Plans [Member] | Defined Benefit Plan, Equity Securities, Non-US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	3	10
Other Postretirement Benefit Plans [Member] | US Government Agencies Debt Securities
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	4	6
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	7	13
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Money Market Funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	4	3
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan, Equity Securities, US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Defined Benefit Plan, Equity Securities, Non-US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	3	10
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 1 [Member] | US Government Agencies Debt Securities
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	6	10
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 2 [Member] | Money Market Funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan, Equity Securities, US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	2	4
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 2 [Member] | Defined Benefit Plan, Equity Securities, Non-US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 2 [Member] | US Government Agencies Debt Securities
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	4	6
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 3 [Member] | Money Market Funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan, Equity Securities, US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 3 [Member] | Defined Benefit Plan, Equity Securities, Non-US
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 3 [Member] | US Government Agencies Debt Securities
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	0	0
Other Postretirement Benefit Plans [Member] | Other
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	8	14
Other Postretirement Benefit Plans [Member] | Other | Money market funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	5	6
Other Postretirement Benefit Plans [Member] | Other | Collective trust funds
Equity securities:
Defined Benefit Plan, Plan Assets, Amount	$ 3	$ 8