X0306 5 2017-12-31 false 0 0 0001038357 PIONEER NATURAL RESOURCES CO PXD 0001265315 HANNES WILLIAM F 5205 N. O'CONNOR BLVD., SUITE 200 IRVING TX 75039 false true false false SVP, Special Projects Common Stock 14 I 401(k) Common Stock 1516 I IRA Common Stock 2017-02-21 5 G false 4646 0 A 59437 I Family Limited Partnership Common Stock 2017-02-21 5 G false 4646 0 D 5363 D Consists of shares beneficially owned as of December 31, 2017 as a result of ownership of units in the Pioneer Natural Resources USA, Inc. 401(k) by the reporting person This transaction should have been reported on Form 5 filed on or before the 45th day after December 31, 2017. On February 21, 2017, the reporting person transferred by gift shares directly owned into his Family Limited Partnership which are indirectly held. This Form is to report the transaction that was not filed during the fiscal year. Thomas J. Murphy, Attorney-in-Fact For William Hannes 2018-07-23