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Guarantees - Narrative (Details)
$ in Millions
3 Months Ended
Mar. 31, 2023
USD ($)
APLNG  
Guarantor Obligations [Line Items]  
Ownership percentage in equity investment 47.50%
Finance Reserve Guarantee | APLNG  
Guarantor Obligations [Line Items]  
Guarantor obligations, remaining term 8 years
Maximum potential amount of future payments $ 210
Guarantor obligations, current carrying value 14
Max Potential Future Payments Reckless Breach | APLNG  
Guarantor Obligations [Line Items]  
Maximum potential amount of future payments 1,300
Max Potential Future Payments Pro-rata Share | APLNG  
Guarantor Obligations [Line Items]  
Maximum potential amount of future payments 760
Continued Development | APLNG  
Guarantor Obligations [Line Items]  
Maximum potential amount of future payments 390
Guarantor obligations, current carrying value $ 29
Continued Development | APLNG | Minimum  
Guarantor Obligations [Line Items]  
Guarantor obligations, term 14 years
Continued Development | APLNG | Maximum  
Guarantor Obligations [Line Items]  
Guarantor obligations, term 23 years
Other Guarantees  
Guarantor Obligations [Line Items]  
Maximum potential amount of future payments $ 600
Guarantor obligations, current carrying value $ 0
Other Guarantees | Minimum  
Guarantor Obligations [Line Items]  
Guarantor obligations, term 2 years
Other Guarantees | Maximum  
Guarantor Obligations [Line Items]  
Guarantor obligations, term 4 years
Joint Venture Obligation Guarantee | Qatar Liquefied Gas Company Limited Eight  
Guarantor Obligations [Line Items]  
Guarantor obligations, current carrying value $ 7
Guarantor Obligations, Term 30 years
Indemnifications  
Guarantor Obligations [Line Items]  
Guarantor obligations, current carrying value $ 20