Short-Term Borrowings and Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Outstanding Short Term Borrowings and Long Term Debt

The following table represents outstanding short-term borrowings and long-term debt at June 30, 2021 and December 31, 2020:

				Carrying Value
(Dollars in millions)	Maturity	Principal value at June 30, 2021		June 30, 2021		December 31, 2020
Short-term borrowings:
Other short-term borrowings	(1)	$	34	$	34	$	21
Total short-term borrowings				$	34	$	21
Long-term debt:
3.50% Senior Notes	January 29, 2025	$	350	$	349	$	349
3.125% Senior Notes	June 5, 2030	500		495		495
1.800% Senior Notes	February 2, 2031	500		494		—
2.100% Senior Notes	May 15, 2028	500		496		—
Total long-term debt				$	1,834	$	844

(1)Represents cash collateral received from certain counterparties in relation to market value exposures of derivative contracts in our favor.