XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.10.0.1

SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
Condensed Financial Information of Parent Company Only Disclosure [Abstract] |
Condensed Consolidating Statements of Income | Condensed Consolidating Statements of Income
| Three Months Ended June 30, 2018
(Unaudited) | Parent Issuer & Guarantor |  | Subsidiary Issuer & Guarantor |  | Guarantor Subsidiary |  | Combined Non-Guarantor Subsidiaries |  | Consolidating Entries |  | Total
| (Millions of dollars)
Revenues |  |  |  |  |  |  |  |  |  |  |
Commodity sales | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,675.3 |  |  | $ | — |  |  | $ | 2,675.3 |
Services | — |  |  | — |  |  | — |  |  | 285.8 |  |  | (0.5 | ) |  | 285.3 |
Total revenues | — |  |  | — |  |  | — |  |  | 2,961.1 |  |  | (0.5 | ) |  | 2,960.6 |
Cost of sales and fuel (exclusive of items shown separately below) | — |  |  | — |  |  | — |  |  | 2,175.8 |  |  | — |  |  | 2,175.8 |
Operating expenses | 2.0 |  |  | — |  |  | — |  |  | 335.0 |  |  | (0.5 | ) |  | 336.5 |
Gain on sale of assets | — |  |  | — |  |  | — |  |  | (0.1 | ) |  | — |  |  | (0.1 | )
Operating income | (2.0 | ) |  | — |  |  | — |  |  | 450.4 |  |  | — |  |  | 448.4 |
Equity in net earnings from investments | 400.8 |  |  | 403.2 |  |  | 403.2 |  |  | 27.5 |  |  | (1,198.1 | ) |  | 36.6 |
Other income (expense), net | 6.6 |  |  | 77.5 |  |  | 77.5 |  |  | (8.4 | ) |  | (155.0 | ) |  | (1.8 | )
Interest expense, net | (40.3 | ) |  | (77.5 | ) |  | (77.5 | ) |  | (73.2 | ) |  | 155.0 |  |  | (113.5 | )
Income before income taxes | 365.1 |  |  | 403.2 |  |  | 403.2 |  |  | 396.3 |  |  | (1,198.1 | ) |  | 369.7 |
Income taxes | (84.0 | ) |  | — |  |  | — |  |  | (3.5 | ) |  | — |  |  | (87.5 | )
Net income | 281.1 |  |  | 403.2 |  |  | 403.2 |  |  | 392.8 |  |  | (1,198.1 | ) |  | 282.2 |
Less: Net income attributable to noncontrolling interests | — |  |  | — |  |  | — |  |  | 1.1 |  |  | — |  |  | 1.1 |
Net income attributable to ONEOK | 281.1 |  |  | 403.2 |  |  | 403.2 |  |  | 391.7 |  |  | (1,198.1 | ) |  | 281.1 |
Less: Preferred stock dividends | 0.3 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 0.3 |
Net income available to common shareholders | $ | 280.8 |  |  | $ | 403.2 |  |  | $ | 403.2 |  |  | $ | 391.7 |  |  | $ | (1,198.1 | ) |  | $ | 280.8 |
| Three Months Ended June 30, 2017
(Unaudited) | Parent Issuer & Guarantor |  | Subsidiary Issuer & Guarantor |  | Guarantor Subsidiary |  | Combined Non-Guarantor Subsidiaries |  | Consolidating Entries |  | Total
| (Millions of dollars)
Revenues |  |  |  |  |  |  |  |  |  |  |
Commodity sales | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,161.0 |  |  | $ | — |  |  | $ | 2,161.0 |
Services | — |  |  | — |  |  | — |  |  | 565.8 |  |  | (1.0 | ) |  | 564.8 |
Total revenues | — |  |  | — |  |  | — |  |  | 2,726.8 |  |  | (1.0 | ) |  | 2,725.8 |
Cost of sales and fuel (exclusive of items shown separately below) | — |  |  | — |  |  | — |  |  | 2,091.0 |  |  | — |  |  | 2,091.0 |
Operating expenses | 17.7 |  |  | — |  |  | 6.2 |  |  | 293.0 |  |  | (1.0 | ) |  | 315.9 |
Gain on sale of assets | — |  |  | — |  |  | — |  |  | (0.6 | ) |  | — |  |  | (0.6 | )
Operating income | (17.7 | ) |  | — |  |  | (6.2 | ) |  | 343.4 |  |  | — |  |  | 319.5 |
Equity in net earnings from investments | 275.2 |  |  | 278.5 |  |  | 284.7 |  |  | 23.8 |  |  | (822.8 | ) |  | 39.4 |
Other income (expense), net | (20.2 | ) |  | 94.9 |  |  | 94.9 |  |  | (0.4 | ) |  | (189.8 | ) |  | (20.6 | )
Interest expense, net | (24.5 | ) |  | (94.9 | ) |  | (94.9 | ) |  | (94.0 | ) |  | 189.8 |  |  | (118.5 | )
Income before income taxes | 212.8 |  |  | 278.5 |  |  | 278.5 |  |  | 272.8 |  |  | (822.8 | ) |  | 219.8 |
Income taxes | (37.7 | ) |  | — |  |  | — |  |  | (6.1 | ) |  | — |  |  | (43.8 | )
Net income | 175.1 |  |  | 278.5 |  |  | 278.5 |  |  | 266.7 |  |  | (822.8 | ) |  | 176.0 |
Less: Net income attributable to noncontrolling interests | 103.4 |  |  | — |  |  | — |  |  | 0.9 |  |  | — |  |  | 104.3 |
Net income attributable to ONEOK | 71.7 |  |  | 278.5 |  |  | 278.5 |  |  | 265.8 |  |  | (822.8 | ) |  | 71.7 |
Less: Preferred stock dividends | 0.2 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 0.2 |
Net income available to common shareholders | $ | 71.5 |  |  | $ | 278.5 |  |  | $ | 278.5 |  |  | $ | 265.8 |  |  | $ | (822.8 | ) |  | $ | 71.5 |
| Six Months Ended June 30, 2018
(Unaudited) | Parent Issuer & Guarantor |  | Subsidiary Issuer & Guarantor |  | Guarantor Subsidiary |  | Combined Non-Guarantor Subsidiaries |  | Consolidating Entries |  | Total
| (Millions of dollars)
Revenues |  |  |  |  |  |  |  |  |  |  |
Commodity sales | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 5,495.3 |  |  | $ | — |  |  | $ | 5,495.3 |
Services | — |  |  | — |  |  | — |  |  | 568.3 |  |  | (1.0 | ) |  | 567.3 |
Total revenues | — |  |  | — |  |  | — |  |  | 6,063.6 |  |  | (1.0 | ) |  | 6,062.6 |
Cost of sales and fuel (exclusive of items shown separately below) | — |  |  | — |  |  | — |  |  | 4,543.8 |  |  | — |  |  | 4,543.8 |
Operating expenses | 1.3 |  |  | — |  |  | — |  |  | 650.6 |  |  | (1.0 | ) |  | 650.9 |
Gain on sale of assets | — |  |  | — |  |  | — |  |  | (0.2 | ) |  | — |  |  | (0.2 | )
Operating income | (1.3 | ) |  | — |  |  | — |  |  | 869.4 |  |  | — |  |  | 868.1 |
Equity in net earnings from investments | 769.3 |  |  | 774.1 |  |  | 774.1 |  |  | 56.1 |  |  | (2,296.8 | ) |  | 76.8 |
Other income (expense), net | 13.8 |  |  | 154.6 |  |  | 154.6 |  |  | (18.0 | ) |  | (309.2 | ) |  | (4.2 | )
Interest expense, net | (80.1 | ) |  | (154.6 | ) |  | (154.6 | ) |  | (149.1 | ) |  | 309.2 |  |  | (229.2 | )
Income before income taxes | 701.7 |  |  | 774.1 |  |  | 774.1 |  |  | 758.4 |  |  | (2,296.8 | ) |  | 711.5 |
Income taxes | (156.1 | ) |  | — |  |  | — |  |  | (7.2 | ) |  | — |  |  | (163.3 | )
Net income | 545.6 |  |  | 774.1 |  |  | 774.1 |  |  | 751.2 |  |  | (2,296.8 | ) |  | 548.2 |
Less: Net income attributable to noncontrolling interests | — |  |  | — |  |  | — |  |  | 2.6 |  |  | — |  |  | 2.6 |
Net income attributable to ONEOK | 545.6 |  |  | 774.1 |  |  | 774.1 |  |  | 748.6 |  |  | (2,296.8 | ) |  | 545.6 |
Less: Preferred stock dividends | 0.6 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 0.6 |
Net income available to common shareholders | $ | 545.0 |  |  | $ | 774.1 |  |  | $ | 774.1 |  |  | $ | 748.6 |  |  | $ | (2,296.8 | ) |  | $ | 545.0 |
| Six Months Ended June 30, 2017
(Unaudited) | Parent Issuer & Guarantor |  | Subsidiary Issuer & Guarantor |  | Guarantor Subsidiary |  | Combined Non-Guarantor Subsidiaries |  | Consolidating Entries |  | Total
| (Millions of dollars)
Revenues |  |  |  |  |  |  |  |  |  |  |
Commodity sales | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 4,377.7 |  |  | $ | — |  |  | $ | 4,377.7 |
Services | — |  |  | — |  |  | — |  |  | 1,098.7 |  |  | (1.0 | ) |  | 1,097.7 |
Total revenues | — |  |  | — |  |  | — |  |  | 5,476.4 |  |  | (1.0 | ) |  | 5,475.4 |
Cost of sales and fuel (exclusive of items shown separately below) | — |  |  | — |  |  | — |  |  | 4,234.9 |  |  | — |  |  | 4,234.9 |
Operating expenses | 24.7 |  |  | — |  |  | 6.2 |  |  | 574.6 |  |  | (1.0 | ) |  | 604.5 |
Gain on sale of assets | — |  |  | — |  |  | — |  |  | (0.6 | ) |  | — |  |  | (0.6 | )
Operating income | (24.7 | ) |  | — |  |  | (6.2 | ) |  | 667.5 |  |  | — |  |  | 636.6 |
Equity in net earnings from investments | 544.0 |  |  | 547.6 |  |  | 553.8 |  |  | 44.5 |  |  | (1,611.0 | ) |  | 78.9 |
Other income (expense), net | (19.6 | ) |  | 186.1 |  |  | 186.1 |  |  | — |  |  | (372.2 | ) |  | (19.6 | )
Interest expense, net | (50.3 | ) |  | (186.1 | ) |  | (186.1 | ) |  | (184.6 | ) |  | 372.2 |  |  | (234.9 | )
Income before income taxes | 449.4 |  |  | 547.6 |  |  | 547.6 |  |  | 527.4 |  |  | (1,611.0 | ) |  | 461.0 |
Income taxes | (89.0 | ) |  | — |  |  | — |  |  | (9.8 | ) |  | — |  |  | (98.8 | )
Net income | 360.4 |  |  | 547.6 |  |  | 547.6 |  |  | 517.6 |  |  | (1,611.0 | ) |  | 362.2 |
Less: Net income attributable to noncontrolling interests | 201.3 |  |  | — |  |  | — |  |  | 1.8 |  |  | — |  |  | 203.1 |
Net income attributable to ONEOK | 159.1 |  |  | 547.6 |  |  | 547.6 |  |  | 515.8 |  |  | (1,611.0 | ) |  | 159.1 |
Less: Preferred stock dividends | 0.2 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 0.2 |
Net income available to common shareholders | $ | 158.9 |  |  | $ | 547.6 |  |  | $ | 547.6 |  |  | $ | 515.8 |  |  | $ | (1,611.0 | ) |  | $ | 158.9 |
Condensed Consolidating Statements of Comprehensive Income | Condensed Consolidating Statements of Comprehensive Income
| Three Months Ended June 30, 2018
(Unaudited) | Parent Issuer & Guarantor |  | Subsidiary Issuer & Guarantor |  | Guarantor Subsidiary |  | Combined Non-Guarantor Subsidiaries |  | Consolidating Entries |  | Total
| (Millions of dollars)
Net income | $ | 281.1 |  |  | $ | 403.2 |  |  | $ | 403.2 |  |  | $ | 392.8 |  |  | $ | (1,198.1 | ) |  | $ | 282.2 |
Other comprehensive income (loss), net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains (losses) on derivatives, net of tax | 15.5 |  |  | (46.4 | ) |  | (46.4 | ) |  | (35.8 | ) |  | 92.8 |  |  | (20.3 | )
Realized (gains) losses on derivatives in net income, net of tax | 1.0 |  |  | 14.6 |  |  | 10.2 |  |  | 6.9 |  |  | (20.5 | ) |  | 12.2 |
Change in pension and postretirement benefit plan liability, net of tax | 3.2 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3.2 |
Other comprehensive income (loss) on investments in unconsolidated affiliates, net of tax | — |  |  | 1.2 |  |  | 1.2 |  |  | 1.0 |  |  | (2.4 | ) |  | 1.0 |
Total other comprehensive income (loss), net of tax | 19.7 |  |  | (30.6 | ) |  | (35.0 | ) |  | (27.9 | ) |  | 69.9 |  |  | (3.9 | )
Comprehensive income | 300.8 |  |  | 372.6 |  |  | 368.2 |  |  | 364.9 |  |  | (1,128.2 | ) |  | 278.3 |
Less: Comprehensive income attributable to noncontrolling interests | — |  |  | — |  |  | — |  |  | 1.1 |  |  | — |  |  | 1.1 |
Comprehensive income attributable to ONEOK | $ | 300.8 |  |  | $ | 372.6 |  |  | $ | 368.2 |  |  | $ | 363.8 |  |  | $ | (1,128.2 | ) |  | $ | 277.2 |
| Three Months Ended June 30, 2017
(Unaudited) | Parent Issuer & Guarantor |  | Subsidiary Issuer & Guarantor |  | Guarantor Subsidiary |  | Combined Non-Guarantor Subsidiaries |  | Consolidating Entries |  | Total
| (Millions of dollars)
Net income | $ | 175.1 |  |  | $ | 278.5 |  |  | $ | 278.5 |  |  | $ | 266.7 |  |  | $ | (822.8 | ) |  | $ | 176.0 |
Other comprehensive income (loss), net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains (losses) on derivatives, net of tax | (0.3 | ) |  | (5.7 | ) |  | 9.0 |  |  | 9.8 |  |  | (17.9 | ) |  | (5.1 | )
Realized (gains) losses on derivatives in net income, net of tax | 0.5 |  |  | 11.1 |  |  | 6.8 |  |  | 5.1 |  |  | (13.6 | ) |  | 9.9 |
Change in pension and postretirement benefit plan liability, net of tax | 2.1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2.1 |
Other comprehensive income (loss) on investments in unconsolidated affiliates, net of tax | — |  |  | (1.6 | ) |  | (1.6 | ) |  | (1.4 | ) |  | 3.2 |  |  | (1.4 | )
Total other comprehensive income (loss), net of tax | 2.3 |  |  | 3.8 |  |  | 14.2 |  |  | 13.5 |  |  | (28.3 | ) |  | 5.5 |
Comprehensive income | 177.4 |  |  | 282.3 |  |  | 292.7 |  |  | 280.2 |  |  | (851.1 | ) |  | 181.5 |
Less: Comprehensive income attributable to noncontrolling interests | 105.6 |  |  | — |  |  | — |  |  | 0.9 |  |  | — |  |  | 106.5 |
Comprehensive income attributable to ONEOK | $ | 71.8 |  |  | $ | 282.3 |  |  | $ | 292.7 |  |  | $ | 279.3 |  |  | $ | (851.1 | ) |  | $ | 75.0 |
| Six Months Ended June 30, 2018
(Unaudited) | Parent Issuer & Guarantor |  | Subsidiary Issuer & Guarantor |  | Guarantor Subsidiary |  | Combined Non-Guarantor Subsidiaries |  | Consolidating Entries |  | Total
| (Millions of dollars)
Net income | $ | 545.6 |  |  | $ | 774.1 |  |  | $ | 774.1 |  |  | $ | 751.2 |  |  | $ | (2,296.8 | ) |  | $ | 548.2 |
Other comprehensive income (loss), net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains (losses) on derivatives, net of tax | 33.9 |  |  | (25.5 | ) |  | (25.5 | ) |  | (19.6 | ) |  | 51.0 |  |  | 14.3 |
Realized (gains) losses on derivatives in net income, net of tax | 1.9 |  |  | 28.9 |  |  | 21.8 |  |  | 15.1 |  |  | (43.6 | ) |  | 24.1 |
Change in pension and postretirement benefit plan liability, net of tax | 6.4 |  |  | (0.6 | ) |  | — |  |  | — |  |  | — |  |  | 5.8 |
Other comprehensive income (loss) on investments in unconsolidated affiliates, net of tax | — |  |  | 4.9 |  |  | 4.9 |  |  | 3.8 |  |  | (9.8 | ) |  | 3.8 |
Total other comprehensive income (loss), net of tax | 42.2 |  |  | 7.7 |  |  | 1.2 |  |  | (0.7 | ) |  | (2.4 | ) |  | 48.0 |
Comprehensive income | 587.8 |  |  | 781.8 |  |  | 775.3 |  |  | 750.5 |  |  | (2,299.2 | ) |  | 596.2 |
Less: Comprehensive income attributable to noncontrolling interests | — |  |  | — |  |  | — |  |  | 2.6 |  |  | — |  |  | 2.6 |
Comprehensive income attributable to ONEOK | $ | 587.8 |  |  | $ | 781.8 |  |  | $ | 775.3 |  |  | $ | 747.9 |  |  | $ | (2,299.2 | ) |  | $ | 593.6 |
| Six Months Ended June 30, 2017
(Unaudited) | Parent Issuer & Guarantor |  | Subsidiary Issuer & Guarantor |  | Guarantor Subsidiary |  | Combined Non-Guarantor Subsidiaries |  | Consolidating Entries |  | Total
| (Millions of dollars)
Net income | $ | 360.4 |  |  | $ | 547.6 |  |  | $ | 547.6 |  |  | $ | 517.6 |  |  | $ | (1,611.0 | ) |  | $ | 362.2 |
Other comprehensive income (loss), net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains (losses) on derivatives, net of tax | (0.3 | ) |  | 23.1 |  |  | 36.3 |  |  | 32.8 |  |  | (72.6 | ) |  | 19.3 |
Realized (gains) losses on derivatives in net income, net of tax | 1.0 |  |  | 30.9 |  |  | 22.1 |  |  | 17.4 |  |  | (44.2 | ) |  | 27.2 |
Change in pension and postretirement benefit plan liability, net of tax | 4.1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 4.1 |
Other comprehensive income (loss) on investments in unconsolidated affiliates, net of tax | — |  |  | (1.2 | ) |  | (1.2 | ) |  | (1.0 | ) |  | 2.4 |  |  | (1.0 | )
Total other comprehensive income (loss), net of tax | 4.8 |  |  | 52.8 |  |  | 57.2 |  |  | 49.2 |  |  | (114.4 | ) |  | 49.6 |
Comprehensive income | 365.2 |  |  | 600.4 |  |  | 604.8 |  |  | 566.8 |  |  | (1,725.4 | ) |  | 411.8 |
Less: Comprehensive income attributable to noncontrolling interests | 232.4 |  |  | — |  |  | — |  |  | 1.8 |  |  | — |  |  | 234.2 |
Comprehensive income attributable to ONEOK | $ | 132.8 |  |  | $ | 600.4 |  |  | $ | 604.8 |  |  | $ | 565.0 |  |  | $ | (1,725.4 | ) |  | $ | 177.6 |
Condensed Consolidating Balance Sheets | Condensed Consolidating Balance Sheets
| June 30, 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 | $ | 15.3 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 15.3 |
Accounts receivable, net | — |  |  | — |  |  | — |  |  | 934.7 |  |  | — |  |  | 934.7 |
Natural gas and natural gas liquids in storage | — |  |  | — |  |  | — |  |  | 285.8 |  |  | — |  |  | 285.8 |
Other current assets | 11.9 |  |  | — |  |  | — |  |  | 186.0 |  |  | — |  |  | 197.9 |
Total current assets | 27.2 |  |  | — |  |  | — |  |  | 1,406.5 |  |  | — |  |  | 1,433.7 |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment | 137.2 |  |  | — |  |  | — |  |  | 16,226.5 |  |  | — |  |  | 16,363.7 |
Accumulated depreciation and amortization | 89.2 |  |  | — |  |  | — |  |  | 2,970.6 |  |  | — |  |  | 3,059.8 |
Net property, plant and equipment | 48.0 |  |  | — |  |  | — |  |  | 13,255.9 |  |  | — |  |  | 13,303.9 |
Investments and other assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments | 5,872.9 |  |  | 3,243.0 |  |  | 8,795.0 |  |  | 795.4 |  |  | (17,719.3 | ) |  | 987.0 |
Intercompany notes receivable | 3,679.2 |  |  | 8,140.9 |  |  | 2,588.9 |  |  | — |  |  | (14,409.0 | ) |  | — |
Other assets | 233.0 |  |  | — |  |  | — |  |  | 1,006.9 |  |  | (50.8 | ) |  | 1,189.1 |
Total investments and other assets | 9,785.1 |  |  | 11,383.9 |  |  | 11,383.9 |  |  | 1,802.3 |  |  | (32,179.1 | ) |  | 2,176.1 |
Total assets | $ | 9,860.3 |  |  | $ | 11,383.9 |  |  | $ | 11,383.9 |  |  | $ | 16,464.7 |  |  | $ | (32,179.1 | ) |  | $ | 16,913.7 |
Liabilities and equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current maturities of long-term debt | $ | — |  |  | $ | 925.0 |  |  | $ | — |  |  | $ | 7.7 |  |  | $ | — |  |  | $ | 932.7 |
Short-term borrowings | 156.0 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 156.0 |
Accounts payable | 6.2 |  |  | — |  |  | — |  |  | 1,021.3 |  |  | — |  |  | 1,027.5 |
Other current liabilities | 71.2 |  |  | 85.0 |  |  | — |  |  | 299.7 |  |  | — |  |  | 455.9 |
Total current liabilities | 233.4 |  |  | 1,010.0 |  |  | — |  |  | 1,328.7 |  |  | — |  |  | 2,572.1 |
Intercompany debt | — |  |  | — |  |  | 8,140.9 |  |  | 6,268.1 |  |  | (14,409.0 | ) |  | — |
Long-term debt, excluding current maturities | 2,727.0 |  |  | 4,339.2 |  |  | — |  |  | 25.0 |  |  | — |  |  | 7,091.2 |
Deferred credits and other liabilities | 235.0 |  |  | — |  |  | — |  |  | 227.7 |  |  | (50.8 | ) |  | 411.9 |
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity excluding noncontrolling interests in consolidated subsidiaries | 6,664.9 |  |  | 6,034.7 |  |  | 3,243.0 |  |  | 8,441.6 |  |  | (17,719.3 | ) |  | 6,664.9 |
Noncontrolling interests in consolidated subsidiaries | — |  |  | — |  |  | — |  |  | 173.6 |  |  | — |  |  | 173.6 |
Total equity | 6,664.9 |  |  | 6,034.7 |  |  | 3,243.0 |  |  | 8,615.2 |  |  | (17,719.3 | ) |  | 6,838.5 |
Total liabilities and equity | $ | 9,860.3 |  |  | $ | 11,383.9 |  |  | $ | 11,383.9 |  |  | $ | 16,464.7 |  |  | $ | (32,179.1 | ) |  | $ | 16,913.7 |
| December 31, 2017
(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 | $ | 37.2 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 37.2 |
Accounts receivable, net | — |  |  | — |  |  | — |  |  | 1,203.0 |  |  | — |  |  | 1,203.0 |
Materials and supplies | — |  |  | — |  |  | — |  |  | 90.3 |  |  | — |  |  | 90.3 |
Natural gas and natural gas liquids in storage | — |  |  | — |  |  | — |  |  | 342.3 |  |  | — |  |  | 342.3 |
Other current assets | 9.8 |  |  | 1.3 |  |  | — |  |  | 80.6 |  |  | — |  |  | 91.7 |
Total current assets | 47.0 |  |  | 1.3 |  |  | — |  |  | 1,716.2 |  |  | — |  | — |  | 1,764.5 |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment | 128.3 |  |  | — |  |  | — |  |  | 15,431.3 |  |  | — |  |  | 15,559.6 |
Accumulated depreciation and amortization | 86.4 |  |  | — |  |  | — |  |  | 2,775.1 |  |  | — |  |  | 2,861.5 |
Net property, plant and equipment | 41.9 |  |  | — |  |  | — |  |  | 12,656.2 |  |  | — |  |  | 12,698.1 |
Investments and other assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments | 5,752.1 |  |  | 3,133.7 |  |  | 8,058.4 |  |  | 803.0 |  |  | (16,744.0 | ) |  | 1,003.2 |
Intercompany notes receivable | 2,926.9 |  |  | 8,627.8 |  |  | 3,703.1 |  |  | — |  |  | (15,257.8 | ) |  | — |
Other assets | 416.9 |  |  | 0.2 |  |  | — |  |  | 1,007.4 |  |  | (44.4 | ) |  | 1,380.1 |
Total investments and other assets | 9,095.9 |  |  | 11,761.7 |  |  | 11,761.5 |  |  | 1,810.4 |  |  | (32,046.2 | ) |  | 2,383.3 |
Total assets | $ | 9,184.8 |  |  | $ | 11,763.0 |  |  | $ | 11,761.5 |  |  | $ | 16,182.8 |  |  | $ | (32,046.2 | ) |  | $ | 16,845.9 |
Liabilities and equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current maturities of long-term debt | $ | — |  |  | $ | 425.0 |  |  | $ | — |  |  | $ | 7.7 |  |  | $ | — |  |  | $ | 432.7 |
Short-term borrowings | 614.7 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 614.7 |
Accounts payable | 12.0 |  |  | — |  |  | — |  |  | 1,128.6 |  |  | — |  |  | 1,140.6 |
Other current liabilities | 65.9 |  |  | 85.0 |  |  | — |  |  | 328.4 |  |  | — |  |  | 479.3 |
Total current liabilities | 692.6 |  |  | 510.0 |  |  | — |  |  | 1,464.7 |  |  | — |  |  | 2,667.3 |
Intercompany debt | — |  |  | — |  |  | 8,627.8 |  |  | 6,630.0 |  |  | (15,257.8 | ) |  | — |
Long-term debt, excluding current maturities | 2,726.4 |  |  | 5,336.4 |  |  | — |  |  | 28.8 |  |  | — |  |  | 8,091.6 |
Deferred credits and other liabilities | 237.9 |  |  | — |  |  | — |  |  | 208.1 |  |  | (44.4 | ) |  | 401.6 |
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity excluding noncontrolling interests in consolidated subsidiaries | 5,527.9 |  |  | 5,916.6 |  |  | 3,133.7 |  |  | 7,693.7 |  |  | (16,744.0 | ) |  | 5,527.9 |
Noncontrolling interests in consolidated subsidiaries | — |  |  | — |  |  | — |  |  | 157.5 |  |  | — |  |  | 157.5 |
Total equity | 5,527.9 |  |  | 5,916.6 |  |  | 3,133.7 |  |  | 7,851.2 |  |  | (16,744.0 | ) |  | 5,685.4 |
Total liabilities and equity | $ | 9,184.8 |  |  | $ | 11,763.0 |  |  | $ | 11,761.5 |  |  | $ | 16,182.8 |  |  | $ | (32,046.2 | ) |  | $ | 16,845.9 |
Condensed Consolidating Statements of Cash Flows | Condensed Consolidating Statements of Cash Flows
| Six Months Ended June 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 | $ | 669.2 |  |  | $ | 673.9 |  |  | $ | 32.4 |  |  | $ | 959.5 |  |  | $ | (1,332.0 | ) |  | $ | 1,003.0 |
Investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures | (10.1 | ) |  | — |  |  | — |  |  | (605.3 | ) |  | — |  |  | (615.4 | )
Contributions to unconsolidated affiliates | — |  |  | — |  |  | — |  |  | (0.3 | ) |  | — |  |  | (0.3 | )
Other investing activities | — |  |  | — |  |  | 6.4 |  |  | 7.9 |  |  | — |  |  | 14.3 |
Cash provided by (used in) investing activities | (10.1 | ) |  | — |  |  | 6.4 |  |  | (597.7 | ) |  | — |  |  | (601.4 | )
Financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid | (643.5 | ) |  | (666.0 | ) |  | (666.0 | ) |  | — |  |  | 1,332.0 |  |  | (643.5 | )
Distributions to noncontrolling interests | — |  |  | — |  |  | — |  |  | (3.0 | ) |  | — |  |  | (3.0 | )
Intercompany borrowings (advances), net | (748.0 | ) |  | 492.1 |  |  | 627.2 |  |  | (371.3 | ) |  | — |  |  | — |
Borrowing (repayment) of short-term borrowings, net | (458.7 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | (458.7 | )
Repayment of long-term debt | — |  |  | (500.0 | ) |  | — |  |  | (3.8 | ) |  | — |  |  | (503.8 | )
Issuance of common stock | 1,186.7 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,186.7 |
Other, net | (17.5 | ) |  | — |  |  | — |  |  | 16.3 |  |  | — |  |  | (1.2 | )
Cash used in financing activities | (681.0 | ) |  | (673.9 | ) |  | (38.8 | ) | — |  | (361.8 | ) |  | 1,332.0 |  |  | (423.5 | )
Change in cash and cash equivalents | (21.9 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | (21.9 | )
Cash and cash equivalents at beginning of period | 37.2 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 37.2 |
Cash and cash equivalents at end of period | $ | 15.3 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 15.3 |
| Six Months Ended June 30, 2017
(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 | $ | 355.0 |  |  | $ | 675.2 |  |  | $ | 28.2 |  |  | $ | 645.5 |  |  | $ | (1,061.0 | ) |  | $ | 642.9 |
Investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures | (0.1 | ) |  | — |  |  | — |  |  | (195.1 | ) |  | — |  |  | (195.2 | )
Other investing activities | — |  |  | — |  |  | 6.7 |  |  | 4.8 |  |  | — |  |  | 11.5 |
Cash provided by (used in) investing activities | (0.1 | ) |  | — |  |  | 6.7 |  |  | (190.3 | ) |  | — |  |  | (183.7 | )
Financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid | (259.8 | ) |  | (666.0 | ) |  | (666.0 | ) |  | — |  |  | 1,332.0 |  |  | (259.8 | )
Distributions to noncontrolling interests | — |  |  | — |  |  | — |  |  | (2.5 | ) |  | (271.0 | ) |  | (273.5 | )
Intercompany borrowings (advances), net | (27.1 | ) |  | (166.1 | ) |  | 642.1 |  |  | (448.9 | ) |  | — |  |  | — |
Borrowing (repayment) of short-term borrowings, net | — |  |  | 164.1 |  |  | — |  |  | — |  |  | — |  |  | 164.1 |
Repayment of long-term debt | (0.1 | ) |  | — |  |  | — |  |  | (3.8 | ) |  | — |  |  | (3.9 | )
Issuance of common stock | 10.8 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 10.8 |
Other, net | (6.2 | ) |  | (7.2 | ) |  | — |  |  | — |  |  | — |  |  | (13.4 | )
Cash used in financing activities | (282.4 | ) |  | (675.2 | ) |  | (23.9 | ) |  | (455.2 | ) |  | 1,061.0 |  |  | (375.7 | )
Change in cash and cash equivalents | 72.5 |  |  | — |  |  | 11.0 |  |  | — |  |  | — |  |  | 83.5 |
Cash and cash equivalents at beginning of period | 248.5 |  |  | — |  |  | 0.4 |  |  | — |  |  | — |  |  | 248.9 |
Cash and cash equivalents at end of period | $ | 321.0 |  |  | $ | — |  |  | $ | 11.4 |  |  | $ | — |  |  | $ | — |  |  | $ | 332.4 |

X
- References No definition available. + Details
Name: | us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of condensed statement of comprehensive income (loss) including, but not limited to, statements of comprehensive income (loss) of consolidated entities and consolidation eliminations. + References No definition available. + Details
Name: | us-gaap_CondensedStatementOfComprehensiveIncomeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCondensedBalanceSheetTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of condensed cash flow statement, including, but not limited to, cash flow statements of consolidated entities and consolidation eliminations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCondensedCashFlowStatementTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of condensed income statement, including, but not limited to, income statements of consolidated entities and consolidation eliminations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration