Benefit Plans and Other Postretirement Benefits, Defined contribution plans (Details) - United States - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Defined Contribution Plans Disclosure
Contributions to U.S. defined contribution plans by the Company, maximum percentage of eligible compensation	7.00%	7.00%
Matching contributions to U.S. defined contribution plans by the Company	$ 18.7	$ 18.4

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480794/715-70-50-1

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