Summary of Significant Accounting Policies - Intangible assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Intangible assets by type	$ 1,177	$ 1,420
Trade names and licenses
Finite-Lived Intangible Assets [Line Items]
Intangible assets by type	179	206
Distribution and customer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets by type	697	909
Technology and other
Finite-Lived Intangible Assets [Line Items]
Intangible assets by type	$ 301	$ 305