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v3.20.2

Derivative Instruments, Hedging Activities and Fair Value Measurements, Recurring Fair Value Measurements (Details) - USD ($) $ in Millions | Jun. 30, 2020 | Mar. 05, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Financial liabilities [Abstract] |  |  |
Liquidity Option |  | $ 511.9 |
Fair Value, Measurements, Recurring [Member] |  |  |
Financial assets [Abstract] |  |  |
Value before application of CME Rule 814 | $ 1,663.9 |  | $ 397.2
Impact of CME Rule 814 | (1,448.9) |  | (269.4)
Total commodity derivatives | 215.0 |  | 127.8
Total | 215.0 |  | 127.8
Financial liabilities [Abstract] |  |  |
Liquidity Option |  |  | 509.6
Interest rate derivatives | 250.5 |  | 13.5
Commodity derivatives: |  |  |
Value before application of CME Rule 814 | 1,861.3 |  | 362.0
Impact of CME Rule 814 | (1,664.6) |  | (245.8)
Total commodity derivatives | 196.7 |  | 116.2
Total | 447.2 |  | 639.3
Net value before application of CME Rule 814 to commodity hedging portfolio | (197.4) |  |
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] |  |  |
Financial assets [Abstract] |  |  |
Value before application of CME Rule 814 | 999.1 |  | 53.4
Impact of CME Rule 814 | (973.4) |  | (47.0)
Total commodity derivatives | 25.7 |  | 6.4
Total | 25.7 |  | 6.4
Financial liabilities [Abstract] |  |  |
Liquidity Option |  |  | 0.0
Interest rate derivatives | 0.0 |  | 0.0
Commodity derivatives: |  |  |
Value before application of CME Rule 814 | 1,207.1 |  | 88.1
Impact of CME Rule 814 | (1,181.6) |  | (81.9)
Total commodity derivatives | 25.5 |  | 6.2
Total | 25.5 |  | 6.2
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] |  |  |
Financial assets [Abstract] |  |  |
Value before application of CME Rule 814 | 635.9 |  | 343.7
Impact of CME Rule 814 | (451.5) |  | (222.4)
Total commodity derivatives | 184.4 |  | 121.3
Total | 184.4 |  | 121.3
Financial liabilities [Abstract] |  |  |
Liquidity Option |  |  | 0.0
Interest rate derivatives | 250.5 |  | 13.5
Commodity derivatives: |  |  |
Value before application of CME Rule 814 | 605.3 |  | 273.6
Impact of CME Rule 814 | (447.9) |  | (163.9)
Total commodity derivatives | 157.4 |  | 109.7
Total | 407.9 |  | 123.2
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] |  |  |
Financial assets [Abstract] |  |  |
Value before application of CME Rule 814 | 28.9 |  | 0.1
Impact of CME Rule 814 | (24.0) |  | 0.0
Total commodity derivatives | 4.9 |  | 0.1
Total | 4.9 |  | 0.1
Financial liabilities [Abstract] |  |  |
Liquidity Option |  |  | 509.6
Interest rate derivatives | 0.0 |  | 0.0
Commodity derivatives: |  |  |
Value before application of CME Rule 814 | 48.9 |  | 0.3
Impact of CME Rule 814 | (35.1) |  | 0.0
Total commodity derivatives | 13.8 |  | 0.3
Total | $ 13.8 |  | $ 509.9

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