XML 102 R91.htm IDEA: XBRL DOCUMENT
v3.23.1

STOCK-BASED INCENTIVE PLANS - OUTSTANDING STOCK OPTIONS (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Outstanding stock options |  |  |
Exercised (in shares) | 0 | 0 | 0
Vested |  |  |
Outstanding stock options |  |  |
Stock options, number of shares outstanding, beginning balance (in shares) | 2,236,000 |  |
Granted (in shares) | 0 |  |
Vested (in shares) | (641,000) |  |
Forfeited (in shares) | (551,000) |  |
Exercised (in shares) | (673,000) |  |
Stock options, number of shares outstanding, ending balance (in shares) | 1,653,000 | 2,236,000 |
Options, weighted average strike price |  |  |
Stock options, weighted average strike price, beginning balance (in dollars per share) | $ 49.13 |  |
Stock options, granted, weighted average strike price (in dollars per share) | 0 |  |
Stock options, vested, weighted average strike price (in dollars per share) | 36.68 |  |
Stock options, forfeited, weighted average strike price (in dollars per share) | 76.96 |  |
Stock options, exercised, weighted average strike price (in dollars per share) | 39.78 |  |
Stock options, weighted average strike price, ending balance (in dollars per share) | $ 38.83 | $ 49.13 |
Unvested |  |  |
Outstanding stock options |  |  |
Stock options, number of shares outstanding, beginning balance (in shares) | 1,430,000 |  |
Granted (in shares) | 286,000 |  |
Vested (in shares) | (641,000) |  |
Forfeited (in shares) | 0 |  |
Exercised (in shares) | 0 |  |
Stock options, number of shares outstanding, ending balance (in shares) | 1,075,000 | 1,430,000 |
Options, weighted average strike price |  |  |
Stock options, weighted average strike price, beginning balance (in dollars per share) | $ 35,520 |  |
Stock options, granted, weighted average strike price (in dollars per share) | 42.98 |  |
Stock options, vested, weighted average strike price (in dollars per share) | 36.68 |  |
Stock options, forfeited, weighted average strike price (in dollars per share) | 0 |  |
Stock options, exercised, weighted average strike price (in dollars per share) | 0 |  |
Stock options, weighted average strike price, ending balance (in dollars per share) | $ 36.82 | $ 35,520 |

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options Exercised, Weighted Average Strike Price + References No definition available. + Details
Name: | oxy_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageStrikePrice
Namespace Prefix: | oxy_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options Forfeited, Weighted Average Strike Price + References No definition available. + Details
Name: | oxy_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedWeightedAverageStrikePrice
Namespace Prefix: | oxy_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options Granted, Weighted Average Strike Price + References No definition available. + Details
Name: | oxy_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedWeightedAverageStrikePrice
Namespace Prefix: | oxy_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options Vested, Weighted Average Strike Price + References No definition available. + Details
Name: | oxy_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedWeightedAverageStrikePrice
Namespace Prefix: | oxy_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Strike Price + References No definition available. + Details
Name: | oxy_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageStrikePrice
Namespace Prefix: | oxy_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Strike Price + References No definition available. + Details
Name: | oxy_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageStrikePriceRollForward
Namespace Prefix: | oxy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of non-vested options forfeited. + References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of options vested. + References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | oxy_VestedUnvestedShareBasedPaymentAwardsAxis=oxy_VestedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | oxy_VestedUnvestedShareBasedPaymentAwardsAxis=oxy_NonvestedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |