Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

A summary of long-term debt at December 31, including related interest rates at December 31, 2018, follows (dollars in millions):

	2018			2017
Senior secured asset-based revolving credit facility (effective interest rate of 4.0%)	$	3,040		$	3,680
Senior secured revolving credit facility		—			—
Senior secured term loan facilities (effective interest rate of 3.7%)		3,801			3,891
Senior secured notes (effective interest rate of 5.6%)		13,800			15,300
Other senior secured debt (effective interest rate of 5.6%)		585			599
Senior secured debt		21,226			23,470
Senior unsecured notes (effective interest rate of 6.3%)		11,752			9,752
Net debt issuance costs		(157	)		(164	)
Total debt (average life of 6.4 years, rates averaging 5.5%)		32,821			33,058
Less amounts due within one year		788			200
	$	32,033		$	32,858