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Pension and Other Retiree Benefits - Weighted Average Asset Allocation (Details) - Pension		Dec. 31, 2022	Dec. 31, 2021
U.S.
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations		100.00%	100.00%
U.S. | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations		35.00%	63.00%
U.S. | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations		58.00%	28.00%
U.S. | Real estate
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations		4.00%	5.00%
U.S. | Other
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	[1]	3.00%	4.00%
International
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations		100.00%	100.00%
International | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations		9.00%	15.00%
International | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations		56.00%	59.00%
International | Real estate
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations		3.00%	4.00%
International | Other
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	[1]	32.00%	22.00%
[1] Multi-strategy hedge funds, commodity linked funds, private equity funds, and cash and cash equivalents for certain of our plans.

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- Definition

Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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