CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parentheticals) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 59	$ 59	[1]

[1] Prior year amounts have been reclassified to conform to the current year presentation of debt issuance costs required by Accounting Standards Update (“ASU”) No. 2015-03 “Simplifying the Presentation of Debt Issuance Costs.” See Note 1 to the Condensed Consolidated Financial Statements for additional information.