Subsequent Events (Details) - Subsequent event shares in Millions, $ in Millions		1 Months Ended
	Oct. 19, 2020 USD ($) director shares	Oct. 31, 2020 USD ($)
Subsequent Event [Line Items]
Total transaction value		$ 7,600
Number of shares issued (shares) | shares	52
Number of directors | director	13
Ownership retained by parent	76.00%
Ownership retained by Parsley	24.00%
Parsley
Subsequent Event [Line Items]
Number of directors | director	2
Parsley
Subsequent Event [Line Items]
Fixed exchange ratio	0.1252
Termination fee	$ 270
Recovery of Direct Costs	90
Parsley | Parsley
Subsequent Event [Line Items]
Termination fee	135
Recovery of Direct Costs	$ 45