Annual report pursuant to Section 13 and 15(d)

Leases - Lease Cost (Details)

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Leases - Lease Cost (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Leases      
Operating lease cost (1) $ 17 $ 19 $ 21
Amortization of right-of-use assets (2) 10 10 10
Interest on lease liabilities (3) 3 3 4
Total finance lease cost 13 13 14
Sublease income on operating leases (1) (5) (9) (5)
Total lease cost, net $ 25 $ 23 $ 30