Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Schedule of Carrying Values and Fair Values of Long-term Debt

The carrying amounts and fair values of our assets measured at fair value on a recurring basis included in our Condensed Consolidated Balance Sheets were as follows:

	Level within the Fair Value Hierarchy	June 30, 2019				December 31, 2018
(in millions)		Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Deferred purchase price assets	3	$	763	$	763	$	746	$	746

The carrying amounts and fair values of our short-term and long-term debt included in our Condensed Consolidated Balance Sheets were as follows:

	Level within the Fair Value Hierarchy	June 30, 2019				December 31, 2018
(in millions)		Carrying Amount		Fair Value		Carrying Amount		Fair Value
Liabilities:
Senior Notes to third parties	1	$	10,954	$	11,485	$	10,950	$	10,945
Senior Notes to affiliates	2	9,985		10,344		9,984		9,802
Incremental Term Loan Facility to affiliates	2	4,000		4,000		4,000		3,976
Senior Reset Notes to affiliates	2	—		—		598		640