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Pension and Other Postretirement Benefits - Pension Plan Assets by Category and FV (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other
Plan assets
Redemption notification period	95 days
Pension Plan | U.S. Plans
Plan assets
Fair value of plan assets	$ 317	$ 420	$ 439
Pension Plan | U.S. Plans | Equity index - U.S.
Plan assets
Fair value of plan assets	22	37
Pension Plan | U.S. Plans | Equity index - International
Plan assets
Fair value of plan assets	14	22
Pension Plan | U.S. Plans | Fixed income index- Long bond
Plan assets
Fair value of plan assets	$ 127	$ 179
Pension Plan | U.S. Plans | Fixed income index- Long bond | Minimum
Plan assets
Fixed income securities maturity (in years)	10 years	10 years
Pension Plan | U.S. Plans | Fixed income index - Long government bond
Plan assets
Fair value of plan assets	$ 89	$ 109
Pension Plan | U.S. Plans | Fixed income index - Long government bond | Minimum
Plan assets
Fixed income securities maturity (in years)	10 years	10 years
Pension Plan | U.S. Plans | Other
Plan assets
Fair value of plan assets	$ 59	$ 69
Pension Plan | U.S. Plans | Cash & Short-term Investments
Plan assets
Fair value of plan assets	6	4
Pension Plan | U.S. Plans | NAV
Plan assets
Fair value of plan assets	59	69
Pension Plan | U.S. Plans | NAV | Equity index - U.S.
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | NAV | Equity index - International
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | NAV | Fixed income index- Long bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | NAV | Fixed income index - Long government bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | NAV | Other
Plan assets
Fair value of plan assets	59	69
Pension Plan | U.S. Plans | NAV | Cash & Short-term Investments
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | Level 1
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | Level 1 | Equity index - U.S.
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | Level 1 | Equity index - International
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | Level 1 | Fixed income index- Long bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | Level 1 | Fixed income index - Long government bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | Level 1 | Other
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | Level 1 | Cash & Short-term Investments
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | Level 2
Plan assets
Fair value of plan assets	258	351
Pension Plan | U.S. Plans | Level 2 | Equity index - U.S.
Plan assets
Fair value of plan assets	22	37
Pension Plan | U.S. Plans | Level 2 | Equity index - International
Plan assets
Fair value of plan assets	14	22
Pension Plan | U.S. Plans | Level 2 | Fixed income index- Long bond
Plan assets
Fair value of plan assets	127	179
Pension Plan | U.S. Plans | Level 2 | Fixed income index - Long government bond
Plan assets
Fair value of plan assets	89	109
Pension Plan | U.S. Plans | Level 2 | Other
Plan assets
Fair value of plan assets	0	0
Pension Plan | U.S. Plans | Level 2 | Cash & Short-term Investments
Plan assets
Fair value of plan assets	6	4
Pension Plan | Non-U.S. Plans
Plan assets
Fair value of plan assets	189	244	$ 249
Pension Plan | Non-U.S. Plans | Equity index - U.S.
Plan assets
Fair value of plan assets	9	26
Pension Plan | Non-U.S. Plans | Equity index - International
Plan assets
Fair value of plan assets	6	17
Pension Plan | Non-U.S. Plans | Fixed income index- Short bond
Plan assets
Fair value of plan assets	25	34
Pension Plan | Non-U.S. Plans | Fixed income index - Intermediate bond
Plan assets
Fair value of plan assets	51	45
Pension Plan | Non-U.S. Plans | Fixed income index- Long bond
Plan assets
Fair value of plan assets	69	93
Pension Plan | Non-U.S. Plans | Other
Plan assets
Fair value of plan assets	22	21
Pension Plan | Non-U.S. Plans | Cash & Short-term Investments
Plan assets
Fair value of plan assets	7	8
Pension Plan | Non-U.S. Plans | NAV
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | NAV | Equity index - U.S.
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | NAV | Equity index - International
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | NAV | Fixed income index- Short bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | NAV | Fixed income index - Intermediate bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | NAV | Fixed income index- Long bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | NAV | Other
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | NAV | Cash & Short-term Investments
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | Level 1
Plan assets
Fair value of plan assets	2	8
Pension Plan | Non-U.S. Plans | Level 1 | Equity index - U.S.
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | Level 1 | Equity index - International
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | Level 1 | Fixed income index- Short bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | Level 1 | Fixed income index - Intermediate bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | Level 1 | Fixed income index- Long bond
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | Level 1 | Other
Plan assets
Fair value of plan assets	0	0
Pension Plan | Non-U.S. Plans | Level 1 | Cash & Short-term Investments
Plan assets
Fair value of plan assets	2	8
Pension Plan | Non-U.S. Plans | Level 2
Plan assets
Fair value of plan assets	187	236
Pension Plan | Non-U.S. Plans | Level 2 | Equity index - U.S.
Plan assets
Fair value of plan assets	9	26
Pension Plan | Non-U.S. Plans | Level 2 | Equity index - International
Plan assets
Fair value of plan assets	6	17
Pension Plan | Non-U.S. Plans | Level 2 | Fixed income index- Short bond
Plan assets
Fair value of plan assets	25	34
Pension Plan | Non-U.S. Plans | Level 2 | Fixed income index - Intermediate bond
Plan assets
Fair value of plan assets	51	45
Pension Plan | Non-U.S. Plans | Level 2 | Fixed income index- Long bond
Plan assets
Fair value of plan assets	69	93
Pension Plan | Non-U.S. Plans | Level 2 | Other
Plan assets
Fair value of plan assets	22	21
Pension Plan | Non-U.S. Plans | Level 2 | Cash & Short-term Investments
Plan assets
Fair value of plan assets	$ 5	$ 0

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- Definition

Redemption notification period of plan assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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+ References

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