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Common Equity (Tables) | 6 Months Ended
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Jun. 30, 2023
Schedule of Capitalization, Equity [Line Items] |
Common Share Activity | A summary of Alliant Energy’s common stock activity was as follows:
Shares outstanding, January 1, 2023 | 251,134,966 |
At-the-market offering program | 1,221,775 |
Shareowner Direct Plan | 228,017 |
Equity-based compensation plans | 134,334 |
Shares outstanding, June 30, 2023 | 252,719,092 |
Changes in Shareowners' Equity | A summary of changes in shareowners’ equity was as follows (in millions):
Alliant Energy | Total Alliant Energy Common Equity |  |  |  |
|  |  |  |  |  |  | Accumulated |  | Shares in |  |  |  |
|  |  | Additional |  |  |  | Other |  | Deferred |  |  |  |
| Common |  | Paid-In |  | Retained |  | Comprehensive |  | Compensation |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Income (Loss) |  | Trust |  | Interest |  | Equity
Three Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2023 | $3 |  | $2,780 |  | $3,559 |  | ($1) |  | ($13) |  | $— |  | $6,328
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 160 |  |  |  |  |  |  |  | 160
Common stock dividends ($0.4525 per share) |  |  |  |  | (113) |  |  |  |  |  |  |  | (113)
At-the-market offering program and Shareowner Direct Plan issuances |  |  | 70 |  |  |  |  |  |  |  |  |  | 70
Equity-based compensation plans and other |  |  | 4 |  |  |  |  |  | (1) |  |  |  | 3
Other comprehensive income, net of tax |  |  |  |  |  |  | 4 |  |  |  |  |  | 4
Ending balance, June 30, 2023 | $3 |  | $2,854 |  | $3,606 |  | $3 |  | ($14) |  | $— |  | $6,452
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2022 | $3 |  | $2,750 |  | $3,336 |  | $— |  | ($12) |  | $— |  | $6,077
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 159 |  |  |  |  |  |  |  | 159
Common stock dividends ($0.4275 per share) |  |  |  |  | (108) |  |  |  |  |  |  |  | (108)
Shareowner Direct Plan issuances |  |  | 6 |  |  |  |  |  |  |  |  |  | 6
Equity-based compensation plans and other |  |  | 3 |  |  |  |  |  |  |  |  |  | 3
Contributions from noncontrolling interest |  |  |  |  |  |  |  |  |  |  | 29 |  | 29
Ending balance, June 30, 2022 | $3 |  | $2,759 |  | $3,387 |  | $— |  | ($12) |  | $29 |  | $6,166
Alliant Energy | Total Alliant Energy Common Equity |  |  |  |
|  |  |  |  |  |  | Accumulated |  | Shares in |  |  |  |
|  |  | Additional |  |  |  | Other |  | Deferred |  |  |  |
| Common |  | Paid-In |  | Retained |  | Comprehensive |  | Compensation |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Income (Loss) |  | Trust |  | Interest |  | Equity
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2022 | $3 |  | $2,777 |  | $3,509 |  | $— |  | ($13) |  | $— |  | $6,276
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 323 |  |  |  |  |  |  |  | 323
Common stock dividends ($0.905 per share) |  |  |  |  | (226) |  |  |  |  |  |  |  | (226)
At-the-market offering program and Shareowner Direct Plan issuances |  |  | 76 |  |  |  |  |  |  |  |  |  | 76
Equity-based compensation plans and other |  |  | 1 |  |  |  |  |  | (1) |  |  |  | —
Other comprehensive income, net of tax |  |  |  |  |  |  | 3 |  |  |  |  |  | 3
Ending balance, June 30, 2023 | $3 |  | $2,854 |  | $3,606 |  | $3 |  | ($14) |  | $— |  | $6,452
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2021 | $3 |  | $2,749 |  | $3,250 |  | $— |  | ($12) |  | $— |  | $5,990
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 351 |  |  |  |  |  |  |  | 351
Common stock dividends ($0.855 per share) |  |  |  |  | (215) |  |  |  |  |  |  |  | (215)
Shareowner Direct Plan issuances |  |  | 13 |  |  |  |  |  |  |  |  |  | 13
Equity-based compensation plans and other |  |  | (3) |  | 1 |  |  |  |  |  |  |  | (2)
Contributions from noncontrolling interest |  |  |  |  |  |  |  |  |  |  | 29 |  | 29
Ending balance, June 30, 2022 | $3 |  | $2,759 |  | $3,387 |  | $— |  | ($12) |  | $29 |  | $6,166
IPL |  |  | Additional |  |  |  |  |  | Total
| Common |  | Paid-In |  | Retained |  |  |  | Common
| Stock |  | Capital |  | Earnings |  |  |  | Equity
Three Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2023 | $33 |  | $2,807 |  | $970 |  |  |  | $3,810
Net income |  |  |  |  | 89 |  |  |  | 89
Common stock dividends |  |  |  |  | (70) |  |  |  | (70)
Capital contributions from parent |  |  | 40 |  |  |  |  |  | 40
Ending balance, June 30, 2023 | $33 |  | $2,847 |  | $989 |  |  |  | $3,869
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2022 | $33 |  | $2,807 |  | $935 |  |  |  | $3,775
Net income |  |  |  |  | 87 |  |  |  | 87
Common stock dividends |  |  |  |  | (80) |  |  |  | (80)
Ending balance, June 30, 2022 | $33 |  | $2,807 |  | $942 |  |  |  | $3,782
IPL |  |  | Additional |  |  |  |  |  | Total
| Common |  | Paid-In |  | Retained |  |  |  | Common
| Stock |  | Capital |  | Earnings |  |  |  | Equity
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2022 | $33 |  | $2,807 |  | $968 |  |  |  | $3,808
Net income |  |  |  |  | 161 |  |  |  | 161
Common stock dividends |  |  |  |  | (140) |  |  |  | (140)
Capital contributions from parent |  |  | 40 |  |  |  |  |  | 40
Ending balance, June 30, 2023 | $33 |  | $2,847 |  | $989 |  |  |  | $3,869
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2021 | $33 |  | $2,807 |  | $929 |  |  |  | $3,769
Net income |  |  |  |  | 173 |  |  |  | 173
Common stock dividends |  |  |  |  | (160) |  |  |  | (160)
Ending balance, June 30, 2022 | $33 |  | $2,807 |  | $942 |  |  |  | $3,782
WPL | Total WPL Common Equity |  |  |  |
|  |  | Additional |  |  |  |  |  |
| Common |  | Paid-In |  | Retained |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Interest |  | Equity
Three Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2023 | $66 |  | $2,413 |  | $1,234 |  | $— |  | $3,713
Net income |  |  |  |  | 72 |  |  |  | 72
Common stock dividends |  |  |  |  | (46) |  |  |  | (46)
Ending balance, June 30, 2023 | $66 |  | $2,413 |  | $1,260 |  | $— |  | $3,739
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2022 | $66 |  | $1,884 |  | $1,101 |  | $— |  | $3,051
Net income |  |  |  |  | 63 |  |  |  | 63
Common stock dividends |  |  |  |  | (44) |  |  |  | (44)
Capital contributions from parent |  |  | 85 |  |  |  |  |  | 85
Contributions from noncontrolling interest |  |  |  |  |  |  | 29 |  | 29
Other |  |  | (1) |  |  |  |  |  | (1)
Ending balance, June 30, 2022 | $66 |  | $1,968 |  | $1,120 |  | $29 |  | $3,183
WPL | Total WPL Common Equity |  |  |  |
|  |  | Additional |  |  |  |  |  |
| Common |  | Paid-In |  | Retained |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Interest |  | Equity
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2022 | $66 |  | $2,233 |  | $1,192 |  | $— |  | $3,491
Net income |  |  |  |  | 160 |  |  |  | 160
Common stock dividends |  |  |  |  | (92) |  |  |  | (92)
Capital contributions from parent |  |  | 180 |  |  |  |  |  | 180
Ending balance, June 30, 2023 | $66 |  | $2,413 |  | $1,260 |  | $— |  | $3,739
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2021 | $66 |  | $1,704 |  | $1,053 |  | $— |  | $2,823
Net income |  |  |  |  | 156 |  |  |  | 156
Common stock dividends |  |  |  |  | (89) |  |  |  | (89)
Capital contributions from parent |  |  | 265 |  |  |  |  |  | 265
Contributions from noncontrolling interest |  |  |  |  |  |  | 29 |  | 29
Other |  |  | (1) |  |  |  |  |  | (1)
Ending balance, June 30, 2022 | $66 |  | $1,968 |  | $1,120 |  | $29 |  | $3,183
IPL [Member] |
Schedule of Capitalization, Equity [Line Items] |
Changes in Shareowners' Equity | A summary of changes in shareowners’ equity was as follows (in millions):
Alliant Energy | Total Alliant Energy Common Equity |  |  |  |
|  |  |  |  |  |  | Accumulated |  | Shares in |  |  |  |
|  |  | Additional |  |  |  | Other |  | Deferred |  |  |  |
| Common |  | Paid-In |  | Retained |  | Comprehensive |  | Compensation |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Income (Loss) |  | Trust |  | Interest |  | Equity
Three Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2023 | $3 |  | $2,780 |  | $3,559 |  | ($1) |  | ($13) |  | $— |  | $6,328
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 160 |  |  |  |  |  |  |  | 160
Common stock dividends ($0.4525 per share) |  |  |  |  | (113) |  |  |  |  |  |  |  | (113)
At-the-market offering program and Shareowner Direct Plan issuances |  |  | 70 |  |  |  |  |  |  |  |  |  | 70
Equity-based compensation plans and other |  |  | 4 |  |  |  |  |  | (1) |  |  |  | 3
Other comprehensive income, net of tax |  |  |  |  |  |  | 4 |  |  |  |  |  | 4
Ending balance, June 30, 2023 | $3 |  | $2,854 |  | $3,606 |  | $3 |  | ($14) |  | $— |  | $6,452
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2022 | $3 |  | $2,750 |  | $3,336 |  | $— |  | ($12) |  | $— |  | $6,077
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 159 |  |  |  |  |  |  |  | 159
Common stock dividends ($0.4275 per share) |  |  |  |  | (108) |  |  |  |  |  |  |  | (108)
Shareowner Direct Plan issuances |  |  | 6 |  |  |  |  |  |  |  |  |  | 6
Equity-based compensation plans and other |  |  | 3 |  |  |  |  |  |  |  |  |  | 3
Contributions from noncontrolling interest |  |  |  |  |  |  |  |  |  |  | 29 |  | 29
Ending balance, June 30, 2022 | $3 |  | $2,759 |  | $3,387 |  | $— |  | ($12) |  | $29 |  | $6,166
Alliant Energy | Total Alliant Energy Common Equity |  |  |  |
|  |  |  |  |  |  | Accumulated |  | Shares in |  |  |  |
|  |  | Additional |  |  |  | Other |  | Deferred |  |  |  |
| Common |  | Paid-In |  | Retained |  | Comprehensive |  | Compensation |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Income (Loss) |  | Trust |  | Interest |  | Equity
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2022 | $3 |  | $2,777 |  | $3,509 |  | $— |  | ($13) |  | $— |  | $6,276
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 323 |  |  |  |  |  |  |  | 323
Common stock dividends ($0.905 per share) |  |  |  |  | (226) |  |  |  |  |  |  |  | (226)
At-the-market offering program and Shareowner Direct Plan issuances |  |  | 76 |  |  |  |  |  |  |  |  |  | 76
Equity-based compensation plans and other |  |  | 1 |  |  |  |  |  | (1) |  |  |  | —
Other comprehensive income, net of tax |  |  |  |  |  |  | 3 |  |  |  |  |  | 3
Ending balance, June 30, 2023 | $3 |  | $2,854 |  | $3,606 |  | $3 |  | ($14) |  | $— |  | $6,452
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2021 | $3 |  | $2,749 |  | $3,250 |  | $— |  | ($12) |  | $— |  | $5,990
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 351 |  |  |  |  |  |  |  | 351
Common stock dividends ($0.855 per share) |  |  |  |  | (215) |  |  |  |  |  |  |  | (215)
Shareowner Direct Plan issuances |  |  | 13 |  |  |  |  |  |  |  |  |  | 13
Equity-based compensation plans and other |  |  | (3) |  | 1 |  |  |  |  |  |  |  | (2)
Contributions from noncontrolling interest |  |  |  |  |  |  |  |  |  |  | 29 |  | 29
Ending balance, June 30, 2022 | $3 |  | $2,759 |  | $3,387 |  | $— |  | ($12) |  | $29 |  | $6,166
IPL |  |  | Additional |  |  |  |  |  | Total
| Common |  | Paid-In |  | Retained |  |  |  | Common
| Stock |  | Capital |  | Earnings |  |  |  | Equity
Three Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2023 | $33 |  | $2,807 |  | $970 |  |  |  | $3,810
Net income |  |  |  |  | 89 |  |  |  | 89
Common stock dividends |  |  |  |  | (70) |  |  |  | (70)
Capital contributions from parent |  |  | 40 |  |  |  |  |  | 40
Ending balance, June 30, 2023 | $33 |  | $2,847 |  | $989 |  |  |  | $3,869
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2022 | $33 |  | $2,807 |  | $935 |  |  |  | $3,775
Net income |  |  |  |  | 87 |  |  |  | 87
Common stock dividends |  |  |  |  | (80) |  |  |  | (80)
Ending balance, June 30, 2022 | $33 |  | $2,807 |  | $942 |  |  |  | $3,782
IPL |  |  | Additional |  |  |  |  |  | Total
| Common |  | Paid-In |  | Retained |  |  |  | Common
| Stock |  | Capital |  | Earnings |  |  |  | Equity
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2022 | $33 |  | $2,807 |  | $968 |  |  |  | $3,808
Net income |  |  |  |  | 161 |  |  |  | 161
Common stock dividends |  |  |  |  | (140) |  |  |  | (140)
Capital contributions from parent |  |  | 40 |  |  |  |  |  | 40
Ending balance, June 30, 2023 | $33 |  | $2,847 |  | $989 |  |  |  | $3,869
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2021 | $33 |  | $2,807 |  | $929 |  |  |  | $3,769
Net income |  |  |  |  | 173 |  |  |  | 173
Common stock dividends |  |  |  |  | (160) |  |  |  | (160)
Ending balance, June 30, 2022 | $33 |  | $2,807 |  | $942 |  |  |  | $3,782
WPL | Total WPL Common Equity |  |  |  |
|  |  | Additional |  |  |  |  |  |
| Common |  | Paid-In |  | Retained |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Interest |  | Equity
Three Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2023 | $66 |  | $2,413 |  | $1,234 |  | $— |  | $3,713
Net income |  |  |  |  | 72 |  |  |  | 72
Common stock dividends |  |  |  |  | (46) |  |  |  | (46)
Ending balance, June 30, 2023 | $66 |  | $2,413 |  | $1,260 |  | $— |  | $3,739
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2022 | $66 |  | $1,884 |  | $1,101 |  | $— |  | $3,051
Net income |  |  |  |  | 63 |  |  |  | 63
Common stock dividends |  |  |  |  | (44) |  |  |  | (44)
Capital contributions from parent |  |  | 85 |  |  |  |  |  | 85
Contributions from noncontrolling interest |  |  |  |  |  |  | 29 |  | 29
Other |  |  | (1) |  |  |  |  |  | (1)
Ending balance, June 30, 2022 | $66 |  | $1,968 |  | $1,120 |  | $29 |  | $3,183
WPL | Total WPL Common Equity |  |  |  |
|  |  | Additional |  |  |  |  |  |
| Common |  | Paid-In |  | Retained |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Interest |  | Equity
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2022 | $66 |  | $2,233 |  | $1,192 |  | $— |  | $3,491
Net income |  |  |  |  | 160 |  |  |  | 160
Common stock dividends |  |  |  |  | (92) |  |  |  | (92)
Capital contributions from parent |  |  | 180 |  |  |  |  |  | 180
Ending balance, June 30, 2023 | $66 |  | $2,413 |  | $1,260 |  | $— |  | $3,739
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2021 | $66 |  | $1,704 |  | $1,053 |  | $— |  | $2,823
Net income |  |  |  |  | 156 |  |  |  | 156
Common stock dividends |  |  |  |  | (89) |  |  |  | (89)
Capital contributions from parent |  |  | 265 |  |  |  |  |  | 265
Contributions from noncontrolling interest |  |  |  |  |  |  | 29 |  | 29
Other |  |  | (1) |  |  |  |  |  | (1)
Ending balance, June 30, 2022 | $66 |  | $1,968 |  | $1,120 |  | $29 |  | $3,183
WPL [Member] |
Schedule of Capitalization, Equity [Line Items] |
Changes in Shareowners' Equity | A summary of changes in shareowners’ equity was as follows (in millions):
Alliant Energy | Total Alliant Energy Common Equity |  |  |  |
|  |  |  |  |  |  | Accumulated |  | Shares in |  |  |  |
|  |  | Additional |  |  |  | Other |  | Deferred |  |  |  |
| Common |  | Paid-In |  | Retained |  | Comprehensive |  | Compensation |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Income (Loss) |  | Trust |  | Interest |  | Equity
Three Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2023 | $3 |  | $2,780 |  | $3,559 |  | ($1) |  | ($13) |  | $— |  | $6,328
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 160 |  |  |  |  |  |  |  | 160
Common stock dividends ($0.4525 per share) |  |  |  |  | (113) |  |  |  |  |  |  |  | (113)
At-the-market offering program and Shareowner Direct Plan issuances |  |  | 70 |  |  |  |  |  |  |  |  |  | 70
Equity-based compensation plans and other |  |  | 4 |  |  |  |  |  | (1) |  |  |  | 3
Other comprehensive income, net of tax |  |  |  |  |  |  | 4 |  |  |  |  |  | 4
Ending balance, June 30, 2023 | $3 |  | $2,854 |  | $3,606 |  | $3 |  | ($14) |  | $— |  | $6,452
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2022 | $3 |  | $2,750 |  | $3,336 |  | $— |  | ($12) |  | $— |  | $6,077
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 159 |  |  |  |  |  |  |  | 159
Common stock dividends ($0.4275 per share) |  |  |  |  | (108) |  |  |  |  |  |  |  | (108)
Shareowner Direct Plan issuances |  |  | 6 |  |  |  |  |  |  |  |  |  | 6
Equity-based compensation plans and other |  |  | 3 |  |  |  |  |  |  |  |  |  | 3
Contributions from noncontrolling interest |  |  |  |  |  |  |  |  |  |  | 29 |  | 29
Ending balance, June 30, 2022 | $3 |  | $2,759 |  | $3,387 |  | $— |  | ($12) |  | $29 |  | $6,166
Alliant Energy | Total Alliant Energy Common Equity |  |  |  |
|  |  |  |  |  |  | Accumulated |  | Shares in |  |  |  |
|  |  | Additional |  |  |  | Other |  | Deferred |  |  |  |
| Common |  | Paid-In |  | Retained |  | Comprehensive |  | Compensation |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Income (Loss) |  | Trust |  | Interest |  | Equity
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2022 | $3 |  | $2,777 |  | $3,509 |  | $— |  | ($13) |  | $— |  | $6,276
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 323 |  |  |  |  |  |  |  | 323
Common stock dividends ($0.905 per share) |  |  |  |  | (226) |  |  |  |  |  |  |  | (226)
At-the-market offering program and Shareowner Direct Plan issuances |  |  | 76 |  |  |  |  |  |  |  |  |  | 76
Equity-based compensation plans and other |  |  | 1 |  |  |  |  |  | (1) |  |  |  | —
Other comprehensive income, net of tax |  |  |  |  |  |  | 3 |  |  |  |  |  | 3
Ending balance, June 30, 2023 | $3 |  | $2,854 |  | $3,606 |  | $3 |  | ($14) |  | $— |  | $6,452
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2021 | $3 |  | $2,749 |  | $3,250 |  | $— |  | ($12) |  | $— |  | $5,990
Net income attributable to Alliant Energy common shareowners |  |  |  |  | 351 |  |  |  |  |  |  |  | 351
Common stock dividends ($0.855 per share) |  |  |  |  | (215) |  |  |  |  |  |  |  | (215)
Shareowner Direct Plan issuances |  |  | 13 |  |  |  |  |  |  |  |  |  | 13
Equity-based compensation plans and other |  |  | (3) |  | 1 |  |  |  |  |  |  |  | (2)
Contributions from noncontrolling interest |  |  |  |  |  |  |  |  |  |  | 29 |  | 29
Ending balance, June 30, 2022 | $3 |  | $2,759 |  | $3,387 |  | $— |  | ($12) |  | $29 |  | $6,166
IPL |  |  | Additional |  |  |  |  |  | Total
| Common |  | Paid-In |  | Retained |  |  |  | Common
| Stock |  | Capital |  | Earnings |  |  |  | Equity
Three Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2023 | $33 |  | $2,807 |  | $970 |  |  |  | $3,810
Net income |  |  |  |  | 89 |  |  |  | 89
Common stock dividends |  |  |  |  | (70) |  |  |  | (70)
Capital contributions from parent |  |  | 40 |  |  |  |  |  | 40
Ending balance, June 30, 2023 | $33 |  | $2,847 |  | $989 |  |  |  | $3,869
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2022 | $33 |  | $2,807 |  | $935 |  |  |  | $3,775
Net income |  |  |  |  | 87 |  |  |  | 87
Common stock dividends |  |  |  |  | (80) |  |  |  | (80)
Ending balance, June 30, 2022 | $33 |  | $2,807 |  | $942 |  |  |  | $3,782
IPL |  |  | Additional |  |  |  |  |  | Total
| Common |  | Paid-In |  | Retained |  |  |  | Common
| Stock |  | Capital |  | Earnings |  |  |  | Equity
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2022 | $33 |  | $2,807 |  | $968 |  |  |  | $3,808
Net income |  |  |  |  | 161 |  |  |  | 161
Common stock dividends |  |  |  |  | (140) |  |  |  | (140)
Capital contributions from parent |  |  | 40 |  |  |  |  |  | 40
Ending balance, June 30, 2023 | $33 |  | $2,847 |  | $989 |  |  |  | $3,869
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2021 | $33 |  | $2,807 |  | $929 |  |  |  | $3,769
Net income |  |  |  |  | 173 |  |  |  | 173
Common stock dividends |  |  |  |  | (160) |  |  |  | (160)
Ending balance, June 30, 2022 | $33 |  | $2,807 |  | $942 |  |  |  | $3,782
WPL | Total WPL Common Equity |  |  |  |
|  |  | Additional |  |  |  |  |  |
| Common |  | Paid-In |  | Retained |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Interest |  | Equity
Three Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2023 | $66 |  | $2,413 |  | $1,234 |  | $— |  | $3,713
Net income |  |  |  |  | 72 |  |  |  | 72
Common stock dividends |  |  |  |  | (46) |  |  |  | (46)
Ending balance, June 30, 2023 | $66 |  | $2,413 |  | $1,260 |  | $— |  | $3,739
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, March 31, 2022 | $66 |  | $1,884 |  | $1,101 |  | $— |  | $3,051
Net income |  |  |  |  | 63 |  |  |  | 63
Common stock dividends |  |  |  |  | (44) |  |  |  | (44)
Capital contributions from parent |  |  | 85 |  |  |  |  |  | 85
Contributions from noncontrolling interest |  |  |  |  |  |  | 29 |  | 29
Other |  |  | (1) |  |  |  |  |  | (1)
Ending balance, June 30, 2022 | $66 |  | $1,968 |  | $1,120 |  | $29 |  | $3,183
WPL | Total WPL Common Equity |  |  |  |
|  |  | Additional |  |  |  |  |  |
| Common |  | Paid-In |  | Retained |  | Noncontrolling |  | Total
| Stock |  | Capital |  | Earnings |  | Interest |  | Equity
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2022 | $66 |  | $2,233 |  | $1,192 |  | $— |  | $3,491
Net income |  |  |  |  | 160 |  |  |  | 160
Common stock dividends |  |  |  |  | (92) |  |  |  | (92)
Capital contributions from parent |  |  | 180 |  |  |  |  |  | 180
Ending balance, June 30, 2023 | $66 |  | $2,413 |  | $1,260 |  | $— |  | $3,739
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance, December 31, 2021 | $66 |  | $1,704 |  | $1,053 |  | $— |  | $2,823
Net income |  |  |  |  | 156 |  |  |  | 156
Common stock dividends |  |  |  |  | (89) |  |  |  | (89)
Capital contributions from parent |  |  | 265 |  |  |  |  |  | 265
Contributions from noncontrolling interest |  |  |  |  |  |  | 29 |  | 29
Other |  |  | (1) |  |  |  |  |  | (1)
Ending balance, June 30, 2022 | $66 |  | $1,968 |  | $1,120 |  | $29 |  | $3,183

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