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Summary of Significant Accounting Policies and Other Matters (Tables) | 3 Months Ended
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Mar. 31, 2022
Accounting Policies [Abstract] |
Basic and Diluted Earnings Per Share | For the three months ended March 31, 2022 and 2021, basic and diluted EPS for Con Edison are calculated as follows:
| For the Three Months Ended March 31,
(Millions of Dollars, except per share amounts/Shares in Millions) | 2022 | 2021
Net income for common stock | $602 | $419
Weighted average common shares outstanding – basic | 354.1 | 342.2
Add: Incremental shares attributable to effect of potentially dilutive securities | 1.0 | 0.8
Adjusted weighted average common shares outstanding – diluted | 355.1 | 343.0
Net Income per common share – basic | $1.70 | $1.23
Net Income per common share – diluted | $1.70 | $1.22
Changes in Accumulated Other Comprehensive Income/(Loss) | For the three months ended March 31, 2022 and 2021, changes to accumulated other comprehensive income/(loss) (OCI) for Con Edison and CECONY are as follows:
| For the Three Months Ended March 31,
| Con Edison | CECONY
(Millions of Dollars) | 2022 | 2021 | 2022 | 2021
Beginning balance, accumulated OCI, net of taxes (a) | $5 | $(25) | $— | $(7)
OCI before reclassifications, net of tax of $1 and $(1) for Con Edison in 2022 and 2021, respectively | (1) |  | 2 |  | — |  | — |
Amounts reclassified from accumulated OCI related to pension plan liabilities, net of tax of $(1) for Con Edison in 2021 (a)(b) | 1 | 2 | 1 |  | — |
Current period OCI, net of taxes | — | 4 | 1 |  | — |
Ending balance, accumulated OCI, net of taxes (a) | $5 | $(21) | $1 | $(7)
(a) Tax reclassified from accumulated OCI is reported in the income tax expense line item of the consolidated income statement. (b)For the portion of unrecognized pension and other postretirement benefit costs relating to the Utilities, costs are recorded into, and amortized out of, regulatory assets and liabilities instead of OCI. The net actuarial losses and prior service costs recognized during the period are included in the computation of total periodic pension and other postretirement benefit costs. See Notes E and F.
Restrictions on Cash and Cash Equivalents | At March 31, 2022 and 2021, cash, temporary cash investments and restricted cash for Con Edison and CECONY were as follows:
| At March 31,
| Con Edison | CECONY
(Millions of Dollars) | 2022 | 2021 | 2022 | 2021
Cash and temporary cash investments | $108 | $76 | $49 | $30
Restricted cash (a)(b) | 89 | 81 | 4 |  | — |
Total cash, temporary cash investments and restricted cash | $197 | $157 | $53 | $30
(a)Restricted cash included cash of the Clean Energy Businesses' renewable electric project subsidiaries ($85 million and $81 million at March 31, 2022 and 2021, respectively) that, under the related project debt agreements, is restricted to being used for normal operating expenditures, debt service, and required reserves until the various maturity dates of the project debt. (b)Restricted cash also included cash paid by CECONY into an escrow account ($4 million at March 31, 2022) for a real estate transaction to support electric transmission facilities.
Schedule of Cash and Cash Equivalents | At March 31, 2022 and 2021, cash, temporary cash investments and restricted cash for Con Edison and CECONY were as follows:
| At March 31,
| Con Edison | CECONY
(Millions of Dollars) | 2022 | 2021 | 2022 | 2021
Cash and temporary cash investments | $108 | $76 | $49 | $30
Restricted cash (a)(b) | 89 | 81 | 4 |  | — |
Total cash, temporary cash investments and restricted cash | $197 | $157 | $53 | $30
(a)Restricted cash included cash of the Clean Energy Businesses' renewable electric project subsidiaries ($85 million and $81 million at March 31, 2022 and 2021, respectively) that, under the related project debt agreements, is restricted to being used for normal operating expenditures, debt service, and required reserves until the various maturity dates of the project debt. (b)Restricted cash also included cash paid by CECONY into an escrow account ($4 million at March 31, 2022) for a real estate transaction to support electric transmission facilities.

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