Goodwill and Other Intangibles - Intangible Assests acquired (Details) $ in Millions	Sep. 30, 2024 USD ($)
Indefinite-Lived Intangible Assets [Line Items]
Total	$ 29
Customer Relationships
Indefinite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization	$ 24
Weighted-average amortization period	12 years
Use Rights
Indefinite-Lived Intangible Assets [Line Items]
Intangible assets not subject to amortization	$ 5