Retirement and Benefit Plans - Plan Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure
Plan assets	$ 109	$ 152
Cash equivalents
Defined Benefit Plan Disclosure
Plan assets	8	5
Mutual and exchange-traded funds
Defined Benefit Plan Disclosure
Plan assets		51
Total debt securities
Defined Benefit Plan Disclosure
Plan assets	101	96
U.S. Treasury and federal agencies securities
Defined Benefit Plan Disclosure
Plan assets	57	59
Non-agency commercial mortgage-backed securities | Commercial mortgage-backed securities
Defined Benefit Plan Disclosure
Plan assets		1
Asset-backed securities and other debt securities
Defined Benefit Plan Disclosure
Plan assets	44	36
Level 1
Defined Benefit Plan Disclosure
Plan assets	62	110
Level 1 | Cash equivalents
Defined Benefit Plan Disclosure
Plan assets	8	5
Level 1 | Mutual and exchange-traded funds
Defined Benefit Plan Disclosure
Plan assets		51
Level 1 | Total debt securities
Defined Benefit Plan Disclosure
Plan assets	54	54
Level 1 | U.S. Treasury and federal agencies securities
Defined Benefit Plan Disclosure
Plan assets	54	54
Level 1 | Non-agency commercial mortgage-backed securities | Commercial mortgage-backed securities
Defined Benefit Plan Disclosure
Plan assets		0
Level 1 | Asset-backed securities and other debt securities
Defined Benefit Plan Disclosure
Plan assets	0	0
Level 2
Defined Benefit Plan Disclosure
Plan assets	47	42
Level 2 | Cash equivalents
Defined Benefit Plan Disclosure
Plan assets	0	0
Level 2 | Mutual and exchange-traded funds
Defined Benefit Plan Disclosure
Plan assets		0
Level 2 | Total debt securities
Defined Benefit Plan Disclosure
Plan assets	47	42
Level 2 | U.S. Treasury and federal agencies securities
Defined Benefit Plan Disclosure
Plan assets	3	5
Level 2 | Non-agency commercial mortgage-backed securities | Commercial mortgage-backed securities
Defined Benefit Plan Disclosure
Plan assets		1
Level 2 | Asset-backed securities and other debt securities
Defined Benefit Plan Disclosure
Plan assets	44	36
Level 3
Defined Benefit Plan Disclosure
Plan assets	0	0
Level 3     | Cash equivalents
Defined Benefit Plan Disclosure
Plan assets	0	0
Level 3     | Mutual and exchange-traded funds
Defined Benefit Plan Disclosure
Plan assets		0
Level 3     | Total debt securities
Defined Benefit Plan Disclosure
Plan assets	0	0
Level 3     | U.S. Treasury and federal agencies securities
Defined Benefit Plan Disclosure
Plan assets	0	0
Level 3     | Non-agency commercial mortgage-backed securities | Commercial mortgage-backed securities
Defined Benefit Plan Disclosure
Plan assets		0
Level 3     | Asset-backed securities and other debt securities
Defined Benefit Plan Disclosure
Plan assets	$ 0	$ 0