Pension and Other Postretirement Benefits - Schedule of Fair Value of Pension Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Net payables which represents assets related to divested businesses to be transferred to the buyers	$ 8	$ 17
Pension benefits paid
Defined Benefit Plan Disclosure [Line Items]
Net plan assets	970	1,531	$ 1,724
Net plan assets excluding certain net receivables	962	1,514
Pension benefits paid | Equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	541	794
Pension benefits paid | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	416	608
Pension benefits paid | Long/short equity hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	18	60
Pension benefits paid | Private equity
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	107	126
Pension benefits paid | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	320	586
Pension benefits paid | Intermediate and long duration government/credit
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	255	452
Pension benefits paid | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	65	134
Pension benefits paid | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	101	134
Pension benefits paid | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	65	64
Pension benefits paid | Discretionary and systematic macro hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	29	47
Pension benefits paid | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	7	23
Pension benefits paid | Level 1
Defined Benefit Plan Disclosure [Line Items]
Net plan assets	113	141
Pension benefits paid | Level 1 | Equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	2
Pension benefits paid | Level 1 | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	2
Pension benefits paid | Level 1 | Long/short equity hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Level 1 | Private equity
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Level 1 | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	113	139
Pension benefits paid | Level 1 | Intermediate and long duration government/credit
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	107	124
Pension benefits paid | Level 1 | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	6	15
Pension benefits paid | Level 1 | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Level 1 | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Level 1 | Discretionary and systematic macro hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Level 1 | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Level 2
Defined Benefit Plan Disclosure [Line Items]
Net plan assets	343	644
Pension benefits paid | Level 2 | Equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	133	197
Pension benefits paid | Level 2 | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	133	197
Pension benefits paid | Level 2 | Long/short equity hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Level 2 | Private equity
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Level 2 | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	207	447
Pension benefits paid | Level 2 | Intermediate and long duration government/credit
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	148	328
Pension benefits paid | Level 2 | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	59	119
Pension benefits paid | Level 2 | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	3	0
Pension benefits paid | Level 2 | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	3	0
Pension benefits paid | Level 2 | Discretionary and systematic macro hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Level 2 | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Net Asset Value
Defined Benefit Plan Disclosure [Line Items]
Net plan assets	506	729
Pension benefits paid | Net Asset Value | Equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	408	595
Pension benefits paid | Net Asset Value | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	283	409
Pension benefits paid | Net Asset Value | Long/short equity hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	18	60
Pension benefits paid | Net Asset Value | Private equity
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	107	126
Pension benefits paid | Net Asset Value | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Net Asset Value | Intermediate and long duration government/credit
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Net Asset Value | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	0	0
Pension benefits paid | Net Asset Value | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	98	134
Pension benefits paid | Net Asset Value | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	62	64
Pension benefits paid | Net Asset Value | Discretionary and systematic macro hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	29	47
Pension benefits paid | Net Asset Value | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension and other postretirement plans' assets	$ 7	$ 23