Debt (Tables)

9 Months Ended

Sep. 30, 2020

A summary of long-term debt outstanding is as follows:


(in millions)	September 30, 2020	December 31, 2019
4.0% Senior Notes, due 2025 ¹	695	694
4.4% Senior Notes, due 2026 ²	—	893
2.95% Senior Notes, due 2027 ³	495	493
2.5% Senior Notes, due 2029 ⁴	495	495
1.25% Senior Notes, due 2030 ⁵	592	—
6.55% Senior Notes, due 2037 ⁶	290	294
4.5% Senior Notes, due 2048 ⁷	273	490
3.25% Senior Notes, due 2049 ⁸	589	589
2.3% Senior Notes, due 2060 ⁹	681	—




Long-term debt	4,110	3,948

¹Interest payments are due semiannually on June 15 and December 15, and as of September 30, 2020, the unamortized debt discount and issuance costs total $5 million.

²We made a $900 million payment on the early retirement of our 4.4% senior notes in the third quarter of 2020.

³Interest payments are due semiannually on January 22 and July 22, and as of September 30, 2020, the unamortized debt discount and issuance costs total $5 million.

⁴Interest payments are due semiannually on June 1 and December 1, and as of September 30, 2020, the unamortized debt discount and issuance costs total $5 million.

⁵Interest payments are due semiannually on February 15 and August 15, beginning on February 15, 2021, and as of September 30, 2020, the unamortized debt discount and issuance costs total $8 million.

⁶Interest payments are due semiannually on May 15 and November 15, and as of September 30, 2020, the unamortized debt discount and issuance costs total $3 million.

⁷Interest payments are due semiannually on May 15 and November 15, and as of September 30, 2020, the unamortized debt discount and issuance costs total $10 million.

⁸Interest payments are due semiannually on June 1 and December 1, and as of September 30, 2020, the unamortized debt discount and issuance costs total $11 million.

⁹Interest payments are due semiannually on February 15 and August 15, beginning on February 15, 2021, and as of September 30, 2020, the unamortized debt discount and issuance costs total $19 million.