Acquisitions and Divestiture Activities	9 Months Ended
Sep. 30, 2022
Business Combinations [Abstract]
Acquisitions and Divestiture Activities	Acquisition and Divestiture Activities Acquisitions. The Company regularly seeks to acquire or trade for acreage that complements its operations, provides exploration and development opportunities, increases the lateral length of future horizontal wells and provides superior returns on investment. DoublePoint acquisition. On May 4, 2021, the Company acquired Double Eagle III Midco 1 LLC ("DoublePoint") pursuant to a definitive membership interest purchase agreement dated April 1, 2021 (the "DoublePoint Acquisition") in exchange for 27 million shares of Pioneer common stock and $1.0 billion of cash. The Pioneer stock consideration transferred had a fair value of $4.2 billion. Parsley acquisition. On January 12, 2021, the Company acquired Parsley Energy, Inc., a Delaware corporation that previously traded on the NYSE under the symbol "PE" ("Parsley"), pursuant to the Agreement and Plan of Merger, dated as of October 20, 2020, among Pioneer, certain of its subsidiaries, Parsley and Parsley Energy, LLC (the "Parsley Acquisition"). As part of the Parsley Acquisition, each eligible share of Parsley Class A common stock and each membership interest unit of Parsley Energy, LLC were automatically converted into the right to receive 0.1252 (the "Exchange Ratio") shares of Pioneer common stock. As a result, the Company issued 52 million shares of Pioneer common stock upon the consummation of the Parsley Acquisition, representing total stock consideration transferred of $6.9 billion. Both the Parsley Acquisition and the DoublePoint Acquisition were accounted for using the acquisition method under ASC Topic 805, Business Combinations, which requires all assets acquired and liabilities assumed to be recorded at fair value at the acquisition date. Divestitures. The Company regularly reviews its asset base to identify nonstrategic assets, the disposition of which would increase capital resources available for other activities, create organizational and operational efficiencies and further the Company's objective of maintaining a strong balance sheet to ensure financial flexibility. •During the nine months ended September 30, 2022, the Company divested certain undeveloped acres and producing wells in the Midland Basin for (i) cash proceeds of $165 million and (ii) ownership interests in certain Midland Basin undeveloped acres and producing wells valued at $8 million. The Company recorded a gain on these sales of $110 million, which is reflected in net gain on disposition of assets in the consolidated statements of operations. •In February 2022, the Company completed the sale of its equity interest in certain gas gathering and processing systems in northern Martin County for cash proceeds of $125 million, after normal closing adjustments (the "Martin County Gas Processing Divestiture"). The sale was treated as a recovery of investment from a partial sale of proved property resulting in no gain or loss being recognized. •In December 2021, the Company completed the sale of its assets in the Delaware Basin (the "Delaware Divestiture") to Continental Resources, Inc. ("Continental") for cash proceeds of $3.0 billion, after normal closing adjustments. The Company's Delaware Basin assets were acquired as part of the Parsley Acquisition. •In October 2021, the Company completed the sale of 20,000 net acres in western Glasscock County to Laredo Petroleum, Inc. ("Laredo") in exchange for $137 million in cash and 960 thousand shares of Laredo's common stock representing total consideration transferred of $206 million, after normal closing adjustments. •In March 2021, the Company sold its well services business to a third party for (i) net cash proceeds of $20 million and (ii) up to $4 million of additional cash proceeds to be earned through March 2024. The Company recorded a gain on the sale of $9 million, which is reflected in net gain on disposition of assets in the consolidated statements of operations.

Acquisitions. The Company regularly seeks to acquire or trade for acreage that complements its operations, provides exploration and development opportunities, increases the lateral length of future horizontal wells and provides superior returns on investment.

DoublePoint acquisition. On May 4, 2021, the Company acquired Double Eagle III Midco 1 LLC ("DoublePoint") pursuant to a definitive membership interest purchase agreement dated April 1, 2021 (the "DoublePoint Acquisition") in exchange for 27 million shares of Pioneer common stock and $1.0 billion of cash. The Pioneer stock consideration transferred had a fair value of $4.2 billion.

Parsley acquisition. On January 12, 2021, the Company acquired Parsley Energy, Inc., a Delaware corporation that previously traded on the NYSE under the symbol "PE" ("Parsley"), pursuant to the Agreement and Plan of Merger, dated as of October 20, 2020, among Pioneer, certain of its subsidiaries, Parsley and Parsley Energy, LLC (the "Parsley Acquisition").

As part of the Parsley Acquisition, each eligible share of Parsley Class A common stock and each membership interest unit of Parsley Energy, LLC were automatically converted into the right to receive 0.1252 (the "Exchange Ratio") shares of Pioneer common stock. As a result, the Company issued 52 million shares of Pioneer common stock upon the consummation of the Parsley Acquisition, representing total stock consideration transferred of $6.9 billion.

Both the Parsley Acquisition and the DoublePoint Acquisition were accounted for using the acquisition method under ASC Topic 805, Business Combinations, which requires all assets acquired and liabilities assumed to be recorded at fair value at the acquisition date.

Divestitures. The Company regularly reviews its asset base to identify nonstrategic assets, the disposition of which would increase capital resources available for other activities, create organizational and operational efficiencies and further the Company's objective of maintaining a strong balance sheet to ensure financial flexibility.

•During the nine months ended September 30, 2022, the Company divested certain undeveloped acres and producing wells in the Midland Basin for (i) cash proceeds of $165 million and (ii) ownership interests in certain Midland Basin undeveloped acres and producing wells valued at $8 million. The Company recorded a gain on these sales of $110 million, which is reflected in net gain on disposition of assets in the consolidated statements of operations.

•In February 2022, the Company completed the sale of its equity interest in certain gas gathering and processing systems in northern Martin County for cash proceeds of $125 million, after normal closing adjustments (the "Martin County Gas Processing Divestiture"). The sale was treated as a recovery of investment from a partial sale of proved property resulting in no gain or loss being recognized.

•In December 2021, the Company completed the sale of its assets in the Delaware Basin (the "Delaware Divestiture") to Continental Resources, Inc. ("Continental") for cash proceeds of $3.0 billion, after normal closing adjustments. The Company's Delaware Basin assets were acquired as part of the Parsley Acquisition.

•In October 2021, the Company completed the sale of 20,000 net acres in western Glasscock County to Laredo Petroleum, Inc. ("Laredo") in exchange for $137 million in cash and 960 thousand shares of Laredo's common stock representing total consideration transferred of $206 million, after normal closing adjustments.

•In March 2021, the Company sold its well services business to a third party for (i) net cash proceeds of $20 million and (ii) up to $4 million of additional cash proceeds to be earned through March 2024. The Company recorded a gain on the sale of $9 million, which is reflected in net gain on disposition of assets in the consolidated statements of operations.