4. Supplemental Cash Flow Information Cash Flow, Supplemental Disclosure - (Tables)

3 Months Ended

Mar. 31, 2022

The reconciliation of net income to net cash provided by operating activities is as follows (in millions):


	Three Months Ended
	March 31, 2022		March 31, 2021
Net income (loss)	$	(3,369.6)	$	977.4
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	32.0		32.7
Reduction in the carrying amount of right-of-use assets	10.0		9.8
Share-based compensation	13.5		11.7
Other-than-temporary impairment losses on investment	—		0.8
(Gains) losses from change in fair market value of equity securities and loan receivable	4,545.1		(1,179.4)

Payments for operating lease liabilities	(9.5)		(9.9)
(Increase) decrease in accounts receivable	(46.8)		1.3
(Increase) decrease in inventories	(35.5)		5.8
Increase in other current assets	(33.7)		(37.5)
Decrease in accounts payable and other current liabilities	(38.9)		(44.5)
Increase in income taxes payable	7.8		27.3
Increase (decrease) in deferred income taxes	(1,028.5)		274.8
Increase in other long-term liabilities	0.2		43.8
Other	0.2		(0.5)
Net cash provided by operating activities	$	46.3	$	113.6

Non-cash investing activities:
Purchased property, plant and equipment	$	1.5	$	4.7
Purchased marketable securities and investments	$	13.2	$	—
Sold marketable securities and investments	$	2.0	$	—