CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 209.0	$ 242.8
Trade receivables, net of allowances of $3.9 million and $0.1 million at June 30, 2021 and December 31, 2020	901.8	862.8
Inventories	65.6	181.5
Assets from risk management activities	76.8	85.5
Other current assets	64.7	87.7
Total current assets	1,317.9	1,460.3
Property, plant and equipment, net	11,996.6	12,173.6
Intangible assets, net	1,316.9	1,382.4
Long-term assets from risk management activities	6.5	49.3
Investments in unconsolidated affiliates	685.2	714.0
Other long-term assets	88.7	96.1
Total assets	15,411.8	15,875.7
Current liabilities:
Accounts payable	1,034.5	833.8
Accrued liabilities	178.9	186.4
Distributions payable	87.9	115.4
Interest payable	137.1	132.6
Liabilities from risk management activities	292.0	142.6
Current debt obligations	371.7	368.6
Total current liabilities	2,102.1	1,779.4
Long-term debt	6,603.8	7,387.1
Long-term liabilities from risk management activities	140.5	43.4
Deferred income taxes, net	124.1	152.1
Other long-term liabilities	295.1	309.1
Contingencies (see Note 13)	0.0	0.0
Targa Resources Corp. stockholders' equity:
Common stock value	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	4,330.8	4,839.9
Retained earnings (deficit)	(1,690.9)	(1,893.5)
Accumulated other comprehensive income (loss)	(294.4)	(141.8)
Treasury stock, at cost (7,015,999 shares as of June 30, 2021 and 6,731,035 shares as of December 31, 2020)	(159.5)	(150.9)
Total Targa Resources Corp. stockholders' equity	2,186.2	2,653.9
Noncontrolling interests	3,210.3	3,249.3
Total owners' equity	5,396.5	5,903.2
Total liabilities, Series A Preferred Stock and owners' equity	15,411.8	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), net of discount (see Note 7)	$ 749.7	$ 301.4