Short-term Borrowings and Other Debt Obligations (Tables)

9 Months Ended

Sep. 30, 2018

Line of Credit Facility [Line Items]

Schedule of Short-term Debt [Table Text Block]

(Dollars in millions)	September 30, 2018		December 31, 2017
364-Day Credit Agreement	$	317	$	—
A&R Credit Agreement	—		—
Other Short-term Loans	18		11
Current Portion of Long-term Debt	61		137
Short-term Borrowings and Current Portion of Long-term Debt	$	396	$	148

Schedule of Line of Credit Facilities [Table Text Block]

:

(Dollars in millions)	September 30, 2018
Facilities	$	1,238
Less uses of facilities:
364-Day Credit Agreement	317
A&R Credit Agreement	—
Letters of Credit	205
Term Loan Principal Borrowing	338
Borrowing Availability	$	378