Financing Activities (Tables)

6 Months Ended

Jun. 30, 2023

Interest Income and Interest Expense Disclosure

The Company recognized interest expense associated with the Convertible Notes as follows:


	Three months ended June 30,				Six months ended June 30,
(in millions)	2023		2022		2023		2022

Non-cash amortization of debt issuance costs	$	3	$	3	$	5	$	7
Contractual coupon interest	5		6		10		12
Total interest expense	$	8	$	9	$	15	$	19

Schedule of Extinguishment of Debt

The following tables present the impact of the partial extinguishment of the Company's Convertible Notes and early prepayment of debt (excluding payments on finance leases) for the three and six months ended June 30, 2022. No such instances of partial extinguishment or early prepayment of debt occurred for the three and six months ended June 30, 2023.


	Three months ended June 30, 2022
(in millions)	Cash paid for debt and interest		Principal repayment		Loss on extinguishment		Non-cash amortization of debt discount and (issuance) costs
1.25% Convertible Notes due 2025	$	178	$	138	$	42	$	(2)
5.125% Notes due 2027	27		26		1		—
4.75% Notes due 2023	3		3		—		—
5.25% Notes due 2025	1		1		—		—
Total	$	209	$	168	$	43	$	(2)


	Six months ended June 30, 2022
(in millions)	Cash paid for debt and interest		Principal repayment		Loss on extinguishment		Non-cash amortization of debt discount and (issuance) costs
1.25% Convertible Notes due 2025	$	409	$	302	$	112	$	(5)
5.125% Notes due 2027	61		56		4		1
4.75% Notes due 2023	3		3		—		—
5.25% Notes due 2025	1		1		—		—
Total	$	474	$	362	$	116	$	(4)