CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions		Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents		$ 326.3	$ 232.1
Trade receivables, net of allowances of $0.0 and $0.1 million at September 30, 2019 and December 31, 2018		744.0	865.5
Inventories		210.9	164.7
Assets from risk management activities		140.1	115.3
Other current assets		54.7	41.3
Total current assets		1,476.0	1,418.9
Property, plant and equipment		19,596.0	17,220.7
Accumulated depreciation and amortization		(4,899.1)	(4,292.3)
Property, plant and equipment, net		14,696.9	12,928.4
Intangible assets, net		1,854.4	1,983.2
Goodwill, net		46.6	46.6
Long-term assets from risk management activities		60.0	34.1
Investments in unconsolidated affiliates		718.5	490.5
Other long-term assets		66.1	36.5
Total assets		18,918.5	16,938.2
Current liabilities:
Accounts payable and accrued liabilities		1,327.8	1,737.3
Liabilities from risk management activities		83.5	33.6
Current debt obligations	[1]	258.0	1,027.9
Total current liabilities		1,669.3	2,798.8
Long-term debt		7,279.7	5,632.4
Long-term liabilities from risk management activities		46.1	3.1
Deferred income taxes, net		527.7	525.2
Other long-term liabilities		305.7	262.2
Contingencies (see Note 18)		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		5,457.2	6,154.9
Retained earnings (deficit)		(226.8)	(130.4)
Accumulated other comprehensive income (loss)		140.9	94.3
Treasury stock, at cost (1,000,649 shares as of September 30, 2019 and 665,753 shares as of December 31, 2018)		(53.1)	(39.6)
Total Targa Resources Corp. stockholders' equity		5,318.4	6,079.4
Noncontrolling interests		3,501.5	1,391.4
Total owners' equity		8,819.9	7,470.8
Total liabilities, Series A Preferred Stock and owners' equity		18,918.5	16,938.2
Series A Preferred Stock [Member]
Current liabilities:
Series A Preferred 9.5% Stock, $1,000 per share liquidation preference, (1,200,000 shares authorized, 965,100 shares issued and outstanding ), net of discount (see Note 12)		$ 270.1	$ 245.7

[1] While we consolidate the debt of the Partnership in our financial statements, we do not have the obligation to make interest payments or debt payments with respect to the debt of the Partnership.