v3.22.0.1
Debt (Tables)
12 Months Ended
Dec. 31, 2021
Convertible Notes Payable [Abstract]  
Convertible Debt
The following table summarizes the carrying value of our outstanding debt (in millions, except percentages):

December 31, 2021December 31, 2020
2030 Notes2022 Notes2030 Notes2022 Notes
Current, net of unamortized debt discount and issuance costs of $2 million
$— $92 $— $— 
Long-term, net of unamortized debt discount and issuance costs of $16 million and $29 million, respectively
1,484 — 1,482 158 
Total debt$1,484 $92 $1,482 $158 
Effective interest rate of the liability component - 2022 Notes4.75%
Effective interest rate - 2030 Notes1.53%
Convertible DateInitial Conversion Price per ShareInitial Conversion Rate per $1,000 Par ValueInitial Number of Shares
(in millions)
2022 NotesFebruary 1, 2022$134.75 7.42 shares
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments The estimated fair value of the 2030 Notes and 2022 Notes at December 31, 2021 and December 31, 2020 based on the closing trading price per $100 of the 2030 Notes and 2022 Notes were as follows (in millions):
December 31, 2021December 31, 2020
2022 Notes$440 $687 
2030 Notes$1,400 $1,463 
Schedule of Note Hedge Transactions
PurchaseInitial SharesShares as of
December 31, 2021
(in millions)
2022 Note Hedge$128 
Schedule of Warrants
ProceedsInitial SharesStrike PriceFirst Expiration DateShares as of
December 31, 2021
(in millions)(in millions)(in millions)
2022 Warrants$54 $203.40 September 1, 2022