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Employee Benefit Plans - Health Care Cost Trend Rates (Details) - Postretirement	Dec. 31, 2024	Dec. 31, 2023
U.S.
Defined Benefit Plan Disclosure [Line Items]
Health care cost trend rate assumed for next year	7.50%	6.80%
Rate to which cost trend is assumed to decline (ultimate trend rate)	4.00%	4.00%
Canada
Defined Benefit Plan Disclosure [Line Items]
Health care cost trend rate assumed for next year	5.87%	5.93%
Rate to which cost trend is assumed to decline (ultimate trend rate)	5.00%	5.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (l)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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- Definition

Ultimate trend rate for health care cost for defined benefit postretirement plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (l)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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