Other Financial Statement Data (Tables)

12 Months Ended

Dec. 31, 2024

Balance Sheet Related Disclosures [Abstract]

Schedule of Other Assets and Other Liabilities

The following provides additional information concerning selected balance sheet accounts:


	December 31,
(in millions)	2024		2023
Receivables
Trade - External	$	969.1	$	940.9
Trade - Affiliate	67.1		194.6
Non-trade	78.1		134.4
	1,114.3		1,269.9
Less allowance for doubtful accounts	1.0		0.7
	$	1,113.3	$	1,269.2
Inventories
Raw materials	$	148.6	$	135.8
Work in process	941.1		964.8
Finished goods	1,239.8		1,178.0
Final price deferred (a)	53.5		61.5
Operating materials and supplies	165.4		183.1
	$	2,548.4	$	2,523.2
Other current assets

Income and other taxes receivable	$	234.9	$	269.3
Prepaid expenses	299.8		284.3

Other	29.1		50.2
	$	563.8	$	603.8
Other assets
Restricted cash	$	17.3	$	3.4
MRO inventory	169.0		166.3
Marketable securities held in trust - restricted	708.7		708.6
Operating lease right-of-use assets	220.0		229.8
Indemnification asset	18.4		20.9
Long-term receivable	12.9		21.8
Cloud computing cost (b)	166.3		138.9
Other	207.7		285.9
	$	1,520.3	$	1,575.6


	December 31,
(in millions)	2024		2023
Accrued liabilities
Accrued dividends	$	74.1	$	72.3
Payroll and employee benefits	161.8		182.6
Asset retirement obligations	352.8		377.4
Customer prepayments	270.7		261.8
Accrued income and other taxes	204.7		190.0
Operating lease obligation	43.9		65.3

Other	612.1		627.7
	$	1,720.1	$	1,777.1
Other noncurrent liabilities
Asset retirement obligations	$	2,219.4	$	1,836.0
Operating lease obligation	181.2		168.1
Accrued pension and postretirement benefits	91.6		119.7
Unrecognized tax benefits	17.7		30.5
Other	353.0		274.9
	$	2,862.9	$	2,429.2

______________________________

(a)Final price deferred is product that has shipped to customers, but we retain control and do not recognize revenue until a sales contract has been agreed to with the customer.

(b)Implementation costs eligible for capitalization related to cloud computing arrangements that are a service contract are recorded within Prepaid expenses and Other assets in the Consolidated Balance Sheets and amortized over the reasonably certain term of the associated hosting arrangement.

Schedule of Other Nonoperating Income (Expense)

Interest expense, net was comprised of the following in 2024, 2023 and 2022:


	Years Ended December 31,
(in millions)	2024		2023		2022
Interest income	$	47.2	$	59.6	$	31.0
Less interest expense	230.0		189.0		168.8
Interest expense, net	$	(182.8)	$	(129.4)	$	(137.8)