CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 158.5	$ 242.8
Trade receivables, net of allowances of $0.1 million and $0.1 million at December 31, 2021 and December 31, 2020	1,331.9	862.8
Inventories	153.4	181.5
Assets from risk management activities	43.1	85.5
Other current assets	82.9	87.7
Total current assets	1,769.8	1,460.3
Property, plant and equipment, net	11,667.7	12,173.6
Intangible assets, net	1,094.8	1,382.4
Long-term assets from risk management activities	7.7	49.3
Investments in unconsolidated affiliates	586.5	714.0
Other long-term assets	81.7	96.1
Total assets	15,208.2	15,875.7
Current liabilities:
Accounts payable	1,402.3	833.8
Accrued liabilities	272.2	186.4
Distributions payable	64.5	115.4
Interest payable	138.5	132.6
Liabilities from risk management activities	258.2	142.6
Current debt obligations	162.8	368.6
Total current liabilities	2,298.5	1,779.4
Long-term debt	6,434.4	7,387.1
Long-term liabilities from risk management activities	109.3	43.4
Deferred income taxes, net	136.0	152.1
Other long-term liabilities	301.6	309.1
Contingencies (see Note 19)	0.0	0.0
Targa Resources Corp. stockholders' equity:
Common stock ($0.001 par value, 450,000,000 shares authorized as of December 31, 2021 and 300,000,000 shares authorized as of December 31, 2020)	0.2	0.2
Preferred stock ($0.001 par value, after designation of Series A Preferred Stock: 98,800,000 shares authorized, no shares issued and outstanding)	0.0	0.0
Additional paid-in capital	4,268.9	4,839.9
Retained earnings (deficit)	(1,822.3)	(1,893.5)
Accumulated other comprehensive income (loss)	(230.9)	(141.8)
Treasury stock, at cost (7,884,171 shares as of December 31, 2021 and 6,731,035 shares as of December 31, 2020)	(204.1)	(150.9)
Total Targa Resources Corp. stockholders' equity	2,011.8	2,653.9
Noncontrolling interests	3,166.9	3,249.3
Total owners' equity	5,178.7	5,903.2
Total liabilities, Series A Preferred Stock and owners' equity	15,208.2	15,875.7
Series A Preferred Stock [Member]
Current liabilities:
Series A Preferred 9.5% Stock, $1,000 per share liquidation preference (1,200,000 shares authorized, 919,300 shares issued and outstanding as of December 31, 2021 and 2020), net of discount (see Note 11)	$ 749.7	$ 301.4