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v3.23.1

Subsequent events (Details 8) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Brazil 1 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance | $ 114,780 | $ 45,978 | $ 88,121
Sales and transfers of oil and gas, net of production cost | (54,230) | (38,074) | (24,908)
Development cost incurred | 6,883 | 6,035 | 5,664
Net change due to purchases and sales of minerals in place | (17,030) | (246) | (847)
Net change due to extensions, discoveries and improved recovery related costs |  |  | 509
Revisions of previous quantity estimates | 64,535 | 41,211 | 3,160
Net change in prices, transfer prices and in production costs | 129,462 | 108,268 | (54,606)
Changes in estimated future development costs | (23,317) | (19,900) | (4,716)
Accretion of discount | 11,478 | 4,598 | 8,812
Net change in income taxes | (41,178) | (33,089) | 24,788
Balance | 191,383 | 114,780 | 45,978
South America 1 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance | 89 | 1 | 69
Sales and transfers of oil and gas, net of production cost | (62) | (43) | (14)
Development cost incurred | 31 | 44 | 3
Revisions of previous quantity estimates | 17 | 205 | (35)
Net change in prices, transfer prices and in production costs | 122 | 58 | (145)
Changes in estimated future development costs | (39) | (119) | 97
Accretion of discount | 14 |  | 9
Net change in income taxes | (17) | (47) | 24
Other - unspecified | (15) | (9) | (7)
Balance | 141 | 89 | 1
Total 1 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance | 114,869 | 45,979 | 88,190
Sales and transfers of oil and gas, net of production cost | (54,291) | (38,117) | (24,922)
Development cost incurred | 6,913 | 6,079 | 5,666
Net change due to purchases and sales of minerals in place | (17,030) | (246) | (847)
Net change due to extensions, discoveries and improved recovery related costs |  |  | 509
Revisions of previous quantity estimates | 64,553 | 41,416 | 3,125
Net change in prices, transfer prices and in production costs | 129,584 | 108,326 | (54,751)
Changes in estimated future development costs | (23,356) | (20,019) | (4,618)
Accretion of discount | 11,492 | 4,598 | 8,821
Net change in income taxes | (41,194) | (33,136) | 24,812
Other - unspecified | (15) | (9) | (7)
Balance | 191,524 | 114,869 | 45,979
Equity Method Investees 5 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance | 470 | 74 | 1,412
Sales and transfers of oil and gas, net of production cost | (235) | (177) | (94)
Development cost incurred | 29 | 37 | 57
Net change due to purchases and sales of minerals in place |  |  | (1,047)
Net change due to extensions, discoveries and improved recovery related costs | 10 | 10 |
Revisions of previous quantity estimates | 82 | 30 | (10)
Net change in prices, transfer prices and in production costs | 349 | 401 | (375)
Changes in estimated future development costs | (4) | 3 | 67
Accretion of discount | 93 | 49 | 12
Net change in income taxes |  | 48 | 51
Other - unspecified | 92 | (7) | 1
Balance | $ 886 | $ 470 | $ 74

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