SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Tables)

9 Months Ended

Sep. 30, 2019

Condensed Financial Information Disclosure [Abstract]

Condensed Consolidating Statements of Income & Comprehensive Income

Condensed Consolidating Statements of Income and Comprehensive Income



	Three Months Ended September 30, 2019
(Unaudited)	Parent Issuer & Guarantor			Subsidiary Issuer & Guarantor			Guarantor Subsidiary			Combined Non-Guarantor Subsidiaries			Consolidating Entries			Total
	(Millions of dollars)
Revenues
Commodity sales	$	—		$	—		$	—		$	1,947.8		$	—		$	1,947.8
Services	—			—			—			316.0			(0.6		)	315.4
Total revenues	—			—			—			2,263.8			(0.6		)	2,263.2
Cost of sales and fuel (exclusive of items shown separately below)	—			—			—			1,414.5			—			1,414.5
Operating expenses	(0.7		)	—			—			367.8			(0.6		)	366.5
(Gain) loss on sale of assets	—			—			0.1			(0.1		)	—			—
Operating income	0.7			—			(0.1		)	481.6			—			482.2
Equity in net earnings from investments	470.2			476.1			476.2			29.1			(1,414.0		)	37.6
Other income (expense), net	11.1			75.4			78.1			8.0			(156.2		)	16.4
Interest expense, net	(78.4		)	(78.1		)	(78.1		)	(51.2		)	156.2			(129.6		)
Income before income taxes	403.6			473.4			476.1			467.5			(1,414.0		)	406.6
Income taxes	(94.4		)	—			—			(3.0		)	—			(97.4		)
Net income	309.2			473.4			476.1			464.5			(1,414.0		)	309.2
Less: Preferred stock dividends	0.3			—			—			—			—			0.3
Net income available to common shareholders	$	308.9		$	473.4		$	476.1		$	464.5		$	(1,414.0	)	$	308.9

Net income	$	309.2		$	473.4		$	476.1		$	464.5		$	(1,414.0	)	$	309.2
Other comprehensive income (loss), net of tax	(94.4		)	12.4			7.9			5.0			(15.6		)	(84.7		)
Comprehensive income	$	214.8		$	485.8		$	484.0		$	469.5		$	(1,429.6	)	$	224.5



	Three Months Ended September 30, 2018
(Unaudited)	Parent Issuer & Guarantor			Subsidiary Issuer & Guarantor			Guarantor Subsidiary			Combined Non-Guarantor Subsidiaries			Consolidating Entries			Total
	(Millions of dollars)
Revenues
Commodity sales	$	—		$	—		$	—		$	3,083.6		$	—		$	3,083.6
Services	—			—			—			310.8			(0.5		)	310.3
Total revenues	—			—			—			3,394.4			(0.5		)	3,393.9
Cost of sales and fuel (exclusive of items shown separately below)	—			—			—			2,560.8			—			2,560.8
Operating expenses	2.0			—			—			336.3			(0.5		)	337.8
Gain on sale of assets	—			—			—			(0.2		)	—			(0.2		)
Operating income	(2.0		)	—			—			497.5			—			495.5
Equity in net earnings from investments	457.3			457.1			457.1			30.1			(1,362.3		)	39.3
Other income (expense), net	9.3			80.3			80.3			(5.3		)	(160.6		)	4.0
Interest expense, net	(49.1		)	(80.3		)	(80.3		)	(72.8		)	160.6			(121.9		)
Income before income taxes	415.5			457.1			457.1			449.5			(1,362.3		)	416.9
Income taxes	(102.3		)	—			—			(0.7		)	—			(103.0		)
Net income	313.2			457.1			457.1			448.8			(1,362.3		)	313.9
Less: Net income attributable to noncontrolling interests	—			—			—			0.7			—			0.7
Net income attributable to ONEOK	313.2			457.1			457.1			448.1			(1,362.3		)	313.2
Less: Preferred stock dividends	0.2			—			—			—			—			0.2
Net income available to common shareholders	$	313.0		$	457.1		$	457.1		$	448.1		$	(1,362.3	)	$	313.0

Net income	$	313.2		$	457.1		$	457.1		$	448.8		$	(1,362.3	)	$	313.9
Other comprehensive income (loss), net of tax	23.4			(3.7		)	(8.1		)	(7.3		)	16.2			20.5
Comprehensive income	336.6			453.4			449.0			441.5			(1,346.1		)	334.4
Less: Comprehensive income attributable to noncontrolling interest	—			—			—			0.7			—			0.7
Comprehensive income attributable to ONEOK	$	336.6		$	453.4		$	449.0		$	440.8		$	(1,346.1	)	$	333.7



	Nine Months Ended September 30, 2019
(Unaudited)	Parent Issuer & Guarantor			Subsidiary Issuer & Guarantor			Guarantor Subsidiary			Combined Non-Guarantor Subsidiaries			Consolidating Entries			Total
	(Millions of dollars)
Revenues
Commodity sales	$	—		$	—		$	—		$	6,567.6		$	—		$	6,567.6
Services	—			—			—			934.8			(1.6		)	933.2
Total revenues	—			—			—			7,502.4			(1.6		)	7,500.8
Cost of sales and fuel (exclusive of items shown separately below)	—			—			—			4,996.7			—			4,996.7
Operating expenses	(0.7		)	—			—			1,076.5			(1.6		)	1,074.2
Loss on sale of assets	—			—			2.7			0.2			—			2.9
Operating income	0.7			—			(2.7		)	1,429.0			—			1,427.0
Equity in net earnings from investments	1,392.9			1,405.6			1,408.3			87.1			(4,178.7		)	115.2
Other income (expense), net	26.3			232.8			235.5			29.3			(471.0		)	52.9
Interest expense, net	(198.1		)	(235.5		)	(235.5		)	(164.4		)	471.0			(362.5		)
Income before income taxes	1,221.8			1,402.9			1,405.6			1,381.0			(4,178.7		)	1,232.6
Income taxes	(263.5		)	—			—			(10.8		)	—			(274.3		)
Net income	958.3			1,402.9			1,405.6			1,370.2			(4,178.7		)	958.3
Less: Preferred stock dividends	0.8			—			—			—			—			0.8
Net income available to common shareholders	$	957.5		$	1,402.9		$	1,405.6		$	1,370.2		$	(4,178.7	)	$	957.5

Net income	$	958.3		$	1,402.9		$	1,405.6		$	1,370.2		$	(4,178.7	)	$	958.3
Other comprehensive income (loss), net of tax	(226.0		)	(9.0		)	(22.5		)	(20.6		)	45.3			(232.8		)
Comprehensive income	$	732.3		$	1,393.9		$	1,383.1		$	1,349.6		$	(4,133.4	)	$	725.5



	Nine Months Ended September 30, 2018
(Unaudited)	Parent Issuer & Guarantor			Subsidiary Issuer & Guarantor			Guarantor Subsidiary			Combined Non-Guarantor Subsidiaries			Consolidating Entries			Total
	(Millions of dollars)
Revenues
Commodity sales	$	—		$	—		$	—		$	8,578.9		$	—		$	8,578.9
Services	—			—			—			879.1			(1.5		)	877.6
Total revenues	—			—			—			9,458.0			(1.5		)	9,456.5
Cost of sales and fuel (exclusive of items shown separately below)	—			—			—			7,104.6			—			7,104.6
Operating expenses	3.3			—			—			986.8			(1.5		)	988.6
Gain on sale of assets	—			—			—			(0.3		)	—			(0.3		)
Operating income	(3.3		)	—			—			1,366.9			—			1,363.6
Equity in net earnings from investments	1,226.6			1,231.2			1,231.2			86.2			(3,659.1		)	116.1
Other income (expense), net	23.1			234.9			234.9			(23.3		)	(469.8		)	(0.2		)
Interest expense, net	(129.2		)	(234.9		)	(234.9		)	(221.9		)	469.8			(351.1		)
Income before income taxes	1,117.2			1,231.2			1,231.2			1,207.9			(3,659.1		)	1,128.4
Income taxes	(258.4		)	—			—			(7.9		)	—			(266.3		)
Net income	858.8			1,231.2			1,231.2			1,200.0			(3,659.1		)	862.1
Less: Net income attributable to noncontrolling interests	—			—			—			3.3			—			3.3
Net income attributable to ONEOK	858.8			1,231.2			1,231.2			1,196.7			(3,659.1		)	858.8
Less: Preferred stock dividends	0.8			—			—			—			—			0.8
Net income available to common shareholders	$	858.0		$	1,231.2		$	1,231.2		$	1,196.7		$	(3,659.1	)	$	858.0

Net income	$	858.8		$	1,231.2		$	1,231.2		$	1,200.0		$	(3,659.1	)	$	862.1
Other comprehensive income (loss), net of tax	65.6			4.0			(6.9		)	(8.0		)	13.8			68.5
Comprehensive income	924.4			1,235.2			1,224.3			1,192.0			(3,645.3		)	930.6
Less: Comprehensive income attributable to noncontrolling interest	—			—			—			3.3			—			3.3
Comprehensive income attributable to ONEOK	$	924.4		$	1,235.2		$	1,224.3		$	1,188.7		$	(3,645.3	)	$	927.3

Condensed Consolidating Balance Sheets



	September 30, 2019
(Unaudited)	Parent Issuer & Guarantor		Subsidiary Issuer & Guarantor		Guarantor Subsidiary		Combined Non-Guarantor Subsidiaries		Consolidating Entries			Total
Assets	(Millions of dollars)
Current assets
Cash and cash equivalents	$	673.3	$	—	$	—	$	—	$	—		$	673.3
Accounts receivable, net	—		—		—		718.7		—			718.7
Materials and supplies	—		—		—		192.9		—			192.9
Natural gas and NGLs in storage	—		—		—		283.5		—			283.5
Other current assets	12.3		—		—		86.8		—			99.1
Total current assets	685.6		—		—		1,281.9		—			1,967.5
Property, plant and equipment
Property, plant and equipment	160.0		—		—		20,788.3		—			20,948.3
Accumulated depreciation and amortization	97.6		—		—		3,487.8		—			3,585.4
Net property, plant and equipment	62.4		—		—		17,300.5		—			17,362.9
Investments and other assets
Investments	6,554.5		3,932.2		10,986.9		770.6		(21,373.7		)	870.5
Intercompany receivable	8,099.1		6,897.7		—		—		(14,996.8		)	—
Other assets	134.8		—		—		1,001.1		(0.9		)	1,135.0
Total investments and other assets	14,788.4		10,829.9		10,986.9		1,771.7		(36,371.4		)	2,005.5
Total assets	$	15,536.4	$	10,829.9	$	10,986.9	$	20,354.1	$	(36,371.4	)	$	21,335.9
Liabilities and equity
Current liabilities
Current maturities of long-term debt	$	—	$	—	$	—	$	7.7	$	—		$	7.7
Accounts payable	9.5		—		—		1,120.3		—			1,129.8
Other current liabilities	96.4		63.5		—		269.7		—			429.6
Total current liabilities	105.9		63.5		—		1,397.7		—			1,567.1

Intercompany payable	—		—		7,054.7		7,942.1		(14,996.8		)	—

Long-term debt, excluding current maturities	8,419.6		4,044.3		—		15.6		—			12,479.5

Deferred credits and other liabilities
Deferred income taxes	297.9		—		—		121.7		(0.9		)	418.7
Other deferred credits	494.1		—		—		157.6		—			651.7
Total deferred credits and other liabilities	792.0		—		—		279.3		(0.9		)	1,070.4

Commitments and contingencies

Equity	6,218.9		6,722.1		3,932.2		10,719.4		(21,373.7		)	6,218.9
Total liabilities and equity	$	15,536.4	$	10,829.9	$	10,986.9	$	20,354.1	$	(36,371.4	)	$	21,335.9



	December 31, 2018
(Unaudited)	Parent Issuer & Guarantor		Subsidiary Issuer & Guarantor		Guarantor Subsidiary		Combined Non-Guarantor Subsidiaries		Consolidating Entries			Total
Assets	(Millions of dollars)
Current assets
Cash and cash equivalents	$	12.0	$	—	$	—	$	—	$	—		$	12.0
Accounts receivable, net	—		—		—		819.0		—			819.0
Materials and supplies	—		—		—		141.2		—			141.2
Natural gas and NGLs in storage	—		—		—		296.7		—			296.7
Other current assets	29.1		—		—		100.6		—			129.7
Total current assets	41.1		—		—		1,357.5		—			1,398.6
Property, plant and equipment
Property, plant and equipment	145.5		—		—		17,885.5		—			18,031.0
Accumulated depreciation and amortization	92.0		—		—		3,172.3		—			3,264.3
Net property, plant and equipment	53.5		—		—		14,713.2		—			14,766.7
Investments and other assets
Investments	6,153.5		3,548.1		9,721.6		791.1		(19,245.1		)	969.2
Intercompany receivable	5,308.6		7,701.5		1,528.0		—		(14,538.1		)	—
Other assets	115.9		—		—		982.3		(1.0		)	1,097.2
Total investments and other assets	11,578.0		11,249.6		11,249.6		1,773.4		(33,784.2		)	2,066.4
Total assets	$	11,672.6	$	11,249.6	$	11,249.6	$	17,844.1	$	(33,784.2	)	$	18,231.7
Liabilities and equity
Current liabilities
Current maturities of long-term debt	$	—	$	500.0	$	—	$	7.7	$	—		$	507.7
Accounts payable	31.3		—		—		1,085.0		—			1,116.3
Other current liabilities	123.2		81.0		—		280.2		—			484.4
Total current liabilities	154.5		581.0		—		1,372.9		—			2,108.4

Intercompany payable	—		—		7,701.5		6,836.6		(14,538.1		)	—

Long-term debt, excluding current maturities	4,510.7		4,341.4		—		21.2		—			8,873.3

Deferred credits and other liabilities
Deferred income taxes	112.3		—		—		108.4		(1.0		)	219.7
Other deferred credits	315.6		—		—		135.2		—			450.8
Total deferred credits and other liabilities	427.9		—		—		243.6		(1.0		)	670.5

Commitments and contingencies

Equity	6,579.5		6,327.2		3,548.1		9,369.8		(19,245.1		)	6,579.5
Total liabilities and equity	$	11,672.6	$	11,249.6	$	11,249.6	$	17,844.1	$	(33,784.2	)	$	18,231.7

Condensed Consolidating Statements of Cash Flows



	Nine Months Ended September 30, 2019
(Unaudited)	Parent Issuer & Guarantor			Subsidiary Issuer & Guarantor			Guarantor Subsidiary			Combined Non-Guarantor Subsidiaries			Consolidating Entries			Total
	(Millions of dollars)
Operating activities
Cash provided by operating activities	$	761.9		$	897.3		$	50.6		$	1,615.0		$	(1,998.0	)	$	1,326.8
Investing activities
Capital expenditures	(17.8		)	—			—			(2,721.5		)	—			(2,739.3		)
Contributions to unconsolidated affiliates	—			—			—			(3.3		)	—			(3.3		)
Other investing activities	—			—			72.5			22.2			—			94.7
Cash used in investing activities	(17.8		)	—			72.5			(2,702.6		)	—			(2,647.9		)
Financing activities
Dividends paid	(1,079.4		)	(999.0		)	(999.0		)	—			1,998.0			(1,079.4		)
Intercompany borrowings (advances), net	(2,874.4		)	904.1			875.9			1,094.4			—			—
Issuance of long-term debt, net of discounts	4,185.4			—			—			—			—			4,185.4
Repayment of long-term debt	(250.0		)	(799.7		)	—			(5.7		)	—			(1,055.4		)
Issuance of common stock	19.3			—			—			—			—			19.3
Other	(83.7		)	(2.7		)	—			(1.1		)	—			(87.5		)
Cash provided by financing activities	(82.8		)	(897.3		)	(123.1		)	1,087.6			1,998.0			1,982.4
Change in cash and cash equivalents	661.3			—			—			—			—			661.3
Cash and cash equivalents at beginning of period	12.0			—			—			—			—			12.0
Cash and cash equivalents at end of period	$	673.3		$	—		$	—		$	—		$	—		$	673.3



	Nine Months Ended September 30, 2018
(Unaudited)	Parent Issuer & Guarantor			Subsidiary Issuer & Guarantor			Guarantor Subsidiary			Combined Non-Guarantor Subsidiaries			Consolidating Entries			Total
	(Millions of dollars)
Operating activities
Cash provided by operating activities	$	964.4		$	993.8		$	48.9		$	1,507.4		$	(1,998.0	)	$	1,516.5
Investing activities
Capital expenditures	(15.0		)	—			—			(1,294.7		)	—			(1,309.7		)
Contributions to unconsolidated affiliates	—			—			(0.5		)	(0.3		)	—			(0.8		)
Other investing activities	—			—			10.8			9.9			—			20.7
Cash used in investing activities	(15.0		)	—			10.3			(1,285.1		)	—			(1,289.8		)
Financing activities
Dividends paid	(983.1		)	(999.0		)	(999.0		)	—			1,998.0			(983.1		)
Distributions to noncontrolling interests	—			—			—			(3.5		)	—			(3.5		)
Intercompany borrowings (advances), net	(1,640.5		)	930.2			939.8			(229.5		)	—			—
Borrowing (repayment) of short-term borrowings, net	(494.7		)	—			—			—			—			(494.7		)
Issuance of long-term debt, net of discounts	1,245.8			—			—			—			—			1,245.8
Repayment of long-term debt	—			(925.0		)	—			(5.7		)	—			(930.7		)
Issuance of common stock	1,195.1			—			—			—			—			1,195.1
Acquisition of noncontrolling interests	(195.0		)	—			—			—			—			(195.0		)
Other, net	(29.7		)	—			—			16.4			—			(13.3		)
Cash used in financing activities	(902.1		)	(993.8		)	(59.2		)	(222.3		)	1,998.0			(179.4		)
Change in cash and cash equivalents	47.3			—			—			—			—			47.3
Cash and cash equivalents at beginning of period	37.2			—			—			—			—			37.2
Cash and cash equivalents at end of period	$	84.5		$	—		$	—		$	—		$	—		$	84.5