Employee Benefit Plans - Summary of Change in Assets Measured at Level 3 (Details) - Level 3 - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below
Fair value of plan assets at January 1	$ 204	$ 93
Actual Return on Plan Assets:
Assets held at the reporting date	(19)	4
Assets sold during the period	(4)	(3)
Purchases, Sales and Settlements	(4)	2
Transfers in and/or out of Level 3	0	108
Fair value of plan assets at December 31	177	204
International
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below
Fair value of plan assets at January 1	1	1
Actual Return on Plan Assets:
Assets held at the reporting date	(1)	0
Assets sold during the period	0	0
Purchases, Sales and Settlements	0	0
Transfers in and/or out of Level 3	0	0
Fair value of plan assets at December 31	0	1
Corporate
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below
Fair value of plan assets at January 1	0	0
Actual Return on Plan Assets:
Assets held at the reporting date	0	0
Assets sold during the period	0	0
Purchases, Sales and Settlements	0	0
Transfers in and/or out of Level 3	0	0
Fair value of plan assets at December 31	0	0
Bank Loans
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below
Fair value of plan assets at January 1	0	2
Actual Return on Plan Assets:
Assets held at the reporting date	0	0
Assets sold during the period	0	0
Purchases, Sales and Settlements	0	(2)
Transfers in and/or out of Level 3	0	0
Fair value of plan assets at December 31	0	0
Real Estate
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below
Fair value of plan assets at January 1	42	45
Actual Return on Plan Assets:
Assets held at the reporting date	0	0
Assets sold during the period	(4)	(3)
Purchases, Sales and Settlements	0	0
Transfers in and/or out of Level 3	0	0
Fair value of plan assets at December 31	38	42
Other
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below
Fair value of plan assets at January 1	161	45
Actual Return on Plan Assets:
Assets held at the reporting date	(18)	4
Assets sold during the period	0	0
Purchases, Sales and Settlements	(4)	4
Transfers in and/or out of Level 3	0	108
Fair value of plan assets at December 31	$ 139	$ 161