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v3.20.4

Related Parties (Tables) | 12 Months Ended
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Dec. 31, 2020
Related Party Transaction [Line Items] |
Services Provided, Sales Credited And Purchases Billed | The amounts billed for services provided, sales credited and purchases were as follows (in millions):
| IPL |  | WPL
| 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
Corporate Services billings | $176 |  | $185 |  | $170 |  | $142 |  | $142 |  | $132
Sales credited | 35 |  | 68 |  | 48 |  | 3 |  | 7 |  | 28
Purchases billed | 329 |  | 331 |  | 358 |  | 108 |  | 120 |  | 81
Net Intercompany Payables | As of December 31, net intercompany payables to Corporate Services were as follows (in millions):
| 2020 |  | 2019
IPL | $110 |  | $112
WPL | 73 |  | 85
Related Amounts Billed Between Parties | The related amounts billed between the parties were as follows (in millions):
| 2020 |  | 2019 |  | 2018
ATC billings to WPL | $108 |  | $109 |  | $106
WPL billings to ATC | 10 |  | 13 |  | 11
IPL [Member] |
Related Party Transaction [Line Items] |
Services Provided, Sales Credited And Purchases Billed | The amounts billed for services provided, sales credited and purchases were as follows (in millions):
| IPL |  | WPL
| 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
Corporate Services billings | $176 |  | $185 |  | $170 |  | $142 |  | $142 |  | $132
Sales credited | 35 |  | 68 |  | 48 |  | 3 |  | 7 |  | 28
Purchases billed | 329 |  | 331 |  | 358 |  | 108 |  | 120 |  | 81
Net Intercompany Payables | As of December 31, net intercompany payables to Corporate Services were as follows (in millions):
| 2020 |  | 2019
IPL | $110 |  | $112
WPL | 73 |  | 85
WPL [Member] |
Related Party Transaction [Line Items] |
Services Provided, Sales Credited And Purchases Billed | The amounts billed for services provided, sales credited and purchases were as follows (in millions):
| IPL |  | WPL
| 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
Corporate Services billings | $176 |  | $185 |  | $170 |  | $142 |  | $142 |  | $132
Sales credited | 35 |  | 68 |  | 48 |  | 3 |  | 7 |  | 28
Purchases billed | 329 |  | 331 |  | 358 |  | 108 |  | 120 |  | 81
Net Intercompany Payables | As of December 31, net intercompany payables to Corporate Services were as follows (in millions):
| 2020 |  | 2019
IPL | $110 |  | $112
WPL | 73 |  | 85
Related Amounts Billed Between Parties | The related amounts billed between the parties were as follows (in millions):
| 2020 |  | 2019 |  | 2018
ATC billings to WPL | $108 |  | $109 |  | $106
WPL billings to ATC | 10 |  | 13 |  | 11

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- Details
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- Details
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