Contingencies and Commitments - Environmental (Details) $ in Millions	3 Months Ended
Jun. 30, 2024 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Accrual for environmental loss contingencies, period increase	$ 79

Increase (decrease) in the accrual for environmental loss contingencies during the reporting period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480102/450-20-S99-1

Name:	us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration