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Leases - Lessee (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Lease, Cost [Abstract]      
Operating leases $ 71 $ 62 $ 60
Short-term and variable leases 127 101 109
Total lease cost 198 163 169
Lessee, Operating Lease, Description [Abstract]      
Operating cash flows from operating leases (157) (132) (137)
Investing cash flows from operating leases (41) (31) (32)
ROU assets obtained in exchange for operating lease obligations, net of retirements 56 22 59
Amortization of ROU assets $ 58 $ 50 $ 47
Weighted average remaining lease term 8 years 8 months 19 days 9 years 9 months 18 days 10 years 4 months 20 days
Weighted average discount rate 4.59% 4.26% 3.95%
Assets and Liabilities, Lessee [Abstract]      
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Deferred charges and other assets Deferred charges and other assets  
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other current liabilities Other current liabilities  
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Other long-term liabilities and deferred credits Other long-term liabilities and deferred credits  
ROU assets $ 285 $ 287  
Short-term lease liability 55 47  
Long-term lease liability 230 $ 240  
Lessee, Operating Lease, Liability, Payment, Due [Abstract]      
2024 67    
2025 56    
2026 40    
2027 33    
2028 25    
Thereafter 145    
Total lease payments 366    
Less: Interest (81)    
Present value of lease liabilities $ 285