Additional Balance Sheet Detail

12 Months Ended

Dec. 31, 2021

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Additional Balance Sheet Detail

Additional Balance Sheet Detail

Prepaid expenses and other current assets consisted of the following:

	As of December 31,
	2021		2020
	(in millions)
Tax related prepaid and receivables	$	358.6	$	228.6
Other	187.2		79.7
Total	$	545.8	$	308.3

Accrued expenses consisted of the following:

	As of December 31,
	2021		2020
	(in millions)
Product revenue accruals	$	847.4	$	781.9
Payroll and benefits	191.3		169.4
Research, development and commercial contract costs	171.6		136.7
Royalty payable	200.4		165.4
Tax related accruals	211.3		104.2
Other	56.6		47.4
Total	$	1,678.6	$	1,405.0

Other current liabilities consisted of the following:

	As of December 31,
	2021		2020
	(in millions)
Contract liabilities	$	171.7	$	191.5
Finance lease liabilities	46.9		42.4
Fair value of cash flow hedges	5.6		59.2
Other	44.2		24.3
Total	$	268.4	$	317.4

The cash, cash equivalents and restricted cash balances at the beginning and ending of each period presented in our consolidated statements of cash flows consisted of the following:

	As of December 31,
	2021		2020		2019		2018
	(in millions)
Cash and cash equivalents	$	6,795.0	$	5,988.2	$	3,109.3	$	2,650.1
Prepaid expenses and other current assets	5.1		0.7		8.0		4.9
Other assets	—		—		3.4		3.3
Cash, cash equivalents and restricted cash per consolidated statement of cash flows	$	6,800.1	$	5,988.9	$	3,120.7	$	2,658.3

Our restricted cash, if any, is included in “Prepaid expenses and other current assets” and “Other assets” on our consolidated balance sheets.