Restructuring (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Charges [Abstract]
Restructuring reserves	$ 217	$ 216	$ 135
Restructuring charges, net of revisions	$ 123	$ 179	$ 142
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Labor and Related Expense	Labor and Related Expense	Labor and Related Expense
Cumulative restructuring expense	$ 400