XML 103 R75.htm IDEA: XBRL DOCUMENT
v3.22.4

RESERVE ROLLFORWARDS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Movement In Valuation Allowances And Reserves Roll Forward |  |  |
Beginning Balance | $ 1,053 | $ 969 | $ 1,047
Charges (Credits) to Cost and Expense | 56 | 121 | (69)
Charged to Other Accounts | (3) | (31) | 2
Deductions | 15 | 6 | 11
Ending Balance | 1,091 | 1,053 | 969
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |  |
Movement In Valuation Allowances And Reserves Roll Forward |  |  |
Beginning Balance | 17 | 14 | 11
Charges (Credits) to Cost and Expense | (2) | 4 | 4
Charged to Other Accounts | 0 | (1) | 0
Deductions | 0 | 0 | 1
Ending Balance | 15 | 17 | 14
LIFO Inventory [Member] |  |  |
Movement In Valuation Allowances And Reserves Roll Forward |  |  |
Beginning Balance | 365 | 226 | 248
Charges (Credits) to Cost and Expense | 128 | 159 | (22)
Charged to Other Accounts | 0 | (30) | 0
Deductions | 0 | (10) | 0
Ending Balance | 493 | 365 | 226
Non-environmental asset retirement obligation Costs [Member] |  |  |
Movement In Valuation Allowances And Reserves Roll Forward |  |  |
Beginning Balance | 51 | 51 | 48
Charges (Credits) to Cost and Expense | 2 | 2 | 2
Charged to Other Accounts | (1) | (1) | 1
Deductions | 1 | 1 | 0
Ending Balance | 51 | 51 | 51
Environmental Contingencies [Member] |  |  |
Movement In Valuation Allowances And Reserves Roll Forward |  |  |
Beginning Balance | 281 | 285 | 287
Charges (Credits) to Cost and Expense | 7 | 11 | 8
Charged to Other Accounts | 0 | 0 | 0
Deductions | 14 | 15 | 10
Ending Balance | 274 | 281 | 285
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] |  |  |
Movement In Valuation Allowances And Reserves Roll Forward |  |  |
Beginning Balance | 339 | 393 | 453
Charges (Credits) to Cost and Expense | (79) | (55) | (61)
Charged to Other Accounts | (2) | 1 | 1
Deductions | 0 | 0 | 0
Ending Balance | $ 258 | $ 339 | $ 393

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInValuationAllowancesAndReservesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(1)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(2)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column D)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesDeductions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_AllowanceForCreditLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_InventoryValuationReserveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_AssetRetirementObligationCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_ReserveForEnvironmentalCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |