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, 2021				December 31, 2020
(in millions)		Carrying Amount (1)		Fair Value (1)		Carrying Amount (1)		Fair Value (1)
Liabilities:
Senior Unsecured Notes to third parties	1	$	34,768	$	36,967	$	29,966	$	32,450
Senior Notes to affiliates	2	4,725		4,937		4,716		4,991
Senior Secured Notes to third parties	1	35,629		38,612		36,204		40,519

(1) Excludes $148 million and $240 million as of June 30, 2021 and December 31, 2020, respectively, in vendor financing arrangements and other debt as the carrying values approximate fair value primarily due to the short-term maturities of these instruments.