Debt (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Summary of debt

A summary of our outstanding debt is as follows (amounts in millions):

	At March 31, 2020
	Gross Carrying Amount		Unamortized Discount and Deferred Financing Costs			Net Carrying Amount
2021 Notes	$	650	$	(2	)	$	648
2022 Notes	400		(2		)	398
2026 Notes	850		(7		)	843
2027 Notes	400		(5		)	395
2047 Notes	400		(9		)	391
Total long-term debt	$	2,700	$	(25	)	$	2,675

	At December 31, 2019
	Gross Carrying Amount		Unamortized Discount and Deferred Financing Costs			Net Carrying Amount
2021 Notes	$	650	$	(2	)	$	648
2022 Notes	400		(2		)	398
2026 Notes	850		(7		)	843
2027 Notes	400		(5		)	395
2047 Notes	400		(9		)	391
Total long-term debt	$	2,700	$	(25	)	$	2,675

Schedule of maturities of debt

As of March 31, 2020, the scheduled maturities and contractual principal repayments of our debt for each of the five succeeding years and thereafter are as follows (amounts in millions):

For the years ending December 31,
2020 (remaining nine months)	$	—
2021	650
2022	400
2023	—
2024	—
Thereafter	1,650
Total	$	2,700