Suspended Wells - Textual (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Dec. 31, 2019 |
|
| Long Lived Assets Held-for-sale [Line Items] | ||
| Capitalized cost of suspended wells | $ 990 | $ 1,020 |
| Increase (decrease) in capitalized cost of suspended wells | $ 30 | |
| Number of wells charged to dry hole expense | One | |
| Capitalized Exploratory Well Cost, Charged to Expense | $ 19 | |
| Australia | ||
| Long Lived Assets Held-for-sale [Line Items] | ||
| Capitalized cost of suspended wells | $ 313 | $ 313 |