Earnings Per Share - Shares of Common Stock Held in Treasury (Details) - shares shares in Millions	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Earnings Per Share [Abstract]
Shares of common stock held in treasury	105.7	99.1	91.8

Number of previously issued common shares repurchased by the issuing entity and held in treasury.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481549/505-30-45-1

Name:	us-gaap_TreasuryStockCommonShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant