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Supplemental Financial Information (All Registrants)
 6 Months Ended
Jun. 30, 2021
Supplemental Financial Information [Abstract]  
Supplemental Financial Information (All Registrants) Supplemental Financial Information (All Registrants)
Supplemental Statement of Operations Information
The following tables provide additional information about material items recorded in the Registrants' Consolidated Statements of Operations and Comprehensive Income.
Operating revenues
ExelonGenerationPHIDPL
Three Months Ended June 30, 2021
Operating lease income$13 $12 $1 $1 
Variable lease income74 74 — — 
Three Months Ended June 30, 2020
Operating lease income$14 $12 $1 $1 
Variable lease income80 79 1 1 
Six Months Ended June 30, 2021
Operating lease income$17 $15 $2 $2 
Variable lease income137 137 — — 
Six Months Ended June 30, 2020
Operating lease income$18 $15 $2 $2 
Variable lease income149 148 1 1 
Taxes other than income taxes
ExelonGenerationComEdPECOBGEPHIPepcoDPLACE
Three Months Ended June 30, 2021
Utility taxes(a)
$206 $22 $61 $32 $20 $71 $65 $5 $— 
Property153 66 8 4 43 31 20 10 1 
Payroll61 30 6 4 5 7 1 1 1 
Three Months Ended June 30, 2020
Utility taxes(a)
$196 $23 $55 $31 $18 $69 $64 $5 $— 
Property149 64 8 4 40 33 21 11 1 
Payroll61 28 7 4 4 7 2 1 1 
Six Months Ended June 30, 2021
Utility taxes(a)
$423 $46 $121 $66 $45 $145 $132 $11 $1 
Property307 133 16 9 85 63 42 19 1 
Payroll122 58 13 8 9 14 3 3 2 
Six Months Ended June 30, 2020
Utility taxes(a)
$414 $49 $114 $62 $44 $145 $133 $10 $1 
Property297 133 15 8 79 62 41 20 1 
Payroll125 60 14 8 9 15 4 2 2 
__________
(a)Generation’s utility tax represents gross receipts tax related to its retail operations, and the Utility Registrants' utility taxes represents municipal and state utility taxes and gross receipts taxes related to their operating revenues. The offsetting collection of utility taxes from customers is recorded in revenues in the Registrants’ Consolidated Statements of Operations and Comprehensive Income.
Other, Net
ExelonGenerationComEdPECOBGE PHIPepcoDPLACE
Three Months Ended June 30, 2021
Decommissioning-related activities:
Net realized income on NDT funds(a)
Regulatory Agreement Units$144 $144 $— $— $— $— $— $— $— 
Non-Regulatory Agreement Units87 87 — — — — — — — 
Net unrealized gains on NDT funds
Regulatory Agreement Units361 361 — — — — — — — 
Non-Regulatory Agreement Units193 193 — — — — — — — 
Regulatory offset to NDT fund-related activities(b)
(402)(402)— — — — — — — 
Decommissioning-related activities383 383 — — — — — — — 
AFUDC — Equity35 — 9 6 7 12 10 1 1 
Non-service net periodic benefit cost26 — — — — — — — — 
Net unrealized gains from equity investments(c)
119 119 — — — — — — — 
Three Months Ended June 30, 2020
Decommissioning-related activities:
Net realized income on NDT funds(a)
Regulatory Agreement Units$30 $30 $— $— $— $— $— $— $— 
Non-Regulatory Agreement Units23 23 — — — — — — — 
Net unrealized gains on NDT funds
Regulatory Agreement Units645 645 — — — — — — — 
Non-Regulatory Agreement Units452 452 — — — — — — — 
Regulatory offset to NDT fund-related activities(b)
(542)(542)— — — — — — — 
Decommissioning-related activities608 608 — — — — — — — 
AFUDC — Equity26 — 8 4 6 8 6 1 1 
Non-service net periodic benefit cost14 — — — — — — — — 
Other, net
ExelonGenerationComEdPECOBGEPHIPepcoDPLACE
Six Months Ended June 30, 2021
Decommissioning-related activities:
Net realized income on NDT funds(a)
Regulatory Agreement Units$435 $435 $— $— $— $— $— $— $— 
Non-Regulatory Agreement Units290 290 — — — — — — — 
Net unrealized gains on NDT funds
Regulatory Agreement Units279 279 — — — — — — — 
Non-Regulatory Agreement Units126 126 — — — — — — — 
Regulatory offset to NDT fund-related activities(b)
(569)(569)— — — — — — — 
Decommissioning-related activities561 561 — — — — — — — 
AFUDC — Equity64 — 13 12 14 25 20 3 2 
Non-service net periodic benefit cost46 — — — — — — — — 
Net unrealized gains from equity investments(c)
96 96 — — — — — — — 
Six Months Ended June 30, 2020
Decommissioning-related activities:
Net realized income on NDT funds(a)
Regulatory Agreement Units$77 $77 $— $— $— $— $— $— $— 
Non-Regulatory Agreement Units104 104 — — — — — — — 
Net unrealized gains on NDT funds
Regulatory Agreement Units(287)(287)— — — — — — — 
Non-Regulatory Agreement Units(253)(253)— — — — — — — 
Regulatory offset to NDT fund-related activities(b)
167 167 — — — — — — — 
Decommissioning-related activities(192)(192)— — — — — — — 
AFUDC — Equity49 — 14 7 10 17 13 2 2 
Non-service net periodic benefit cost24 — — — — — — — — 
__________
(a)Realized income includes interest, dividends and realized gains and losses on sales of NDT fund investments.
(b)Includes the elimination of decommissioning-related activities for the Regulatory Agreement Units except for decommissioning-related impacts that were not offset for the Byron units in the second quarter of 2021, including the elimination of income taxes related to all NDT fund activity for those units. See Note 10 — Asset Retirement Obligations of the Exelon 2020 Form 10-K for additional information regarding the accounting for nuclear decommissioning and Note 8 — Nuclear Decommissioning for additional information on the contractual offset suspension for the Byron units.
(c)Net unrealized gains from equity investments that became publicly traded entities in the fourth quarter of 2020 and the first half of 2021.
Supplemental Cash Flow Information
The following tables provide additional information about material items recorded in the Registrants' Consolidated Statements of Cash Flows.
Depreciation, amortization and accretion
ExelonGenerationComEdPECOBGEPHIPepcoDPLACE
Six Months Ended June 30, 2021
Property, plant, and equipment(a)
$3,043 $1,844 $480 $165 $215 $309 $135 $84 $76 
Amortization of regulatory assets(a)
291 — 109 8 78 95 64 20 11 
Amortization of intangible assets, net(a)
29 25 — — — — — — — 
Amortization of energy contract assets and liabilities(b)
13 13 — — — — — — — 
Nuclear fuel(c)
549 549 — — — — — — — 
ARO accretion(d)
255 255 — — — — — — — 
Total depreciation, amortization and accretion$4,180 $2,686 $589 $173 $293 $404 $199 $104 $87 
Six Months Ended June 30, 2020
Property, plant, and equipment(a)
$1,715 $577 $458 $159 $195 $289 $126 $76 $69 
Amortization of regulatory assets(a)
277 — 89 14 77 96 60 18 17 
Amortization of intangible assets, net(a)
31 27 — — — — — — — 
Amortization of energy contract assets and liabilities(b)
12 10 — — — — — — — 
Nuclear fuel(c)
459 459 — — — — — — — 
ARO accretion(d)
247 247 — — — — — — — 
Total depreciation, amortization and accretion$2,741 $1,320 $547 $173 $272 $385 $186 $94 $86 
__________
(a)Included in Depreciation and amortization in the Registrants' Consolidated Statements of Operations and Comprehensive Income.
(b)Included in Operating revenues or Purchased power and fuel expense in the Registrants’ Consolidated Statements of Operations and Comprehensive Income.
(c)Included in Purchased power and fuel expense in the Registrants’ Consolidated Statements of Operations and Comprehensive Income.
(d)Included in Operating and maintenance expense in the Registrants’ Consolidated Statements of Operations and Comprehensive Income.
Other non-cash operating activities
ExelonGenerationComEdPECOBGEPHIPepcoDPLACE
Six Months Ended June 30, 2021
Pension and non-pension postretirement benefit costs$196 $56 $64 $4 $29 $24 $3 $1 $5 
Allowance for credit losses100 46 24 17 4 9 5 2 2 
Other decommissioning-related activity(a)
(636)(636)— — — — — — — 
Energy-related options(b)
20 20 — — — — — — — 
True-up adjustments to decoupling mechanisms and formula rates(c)
(176)— (64)(17)(8)(88)(46)(19)(23)
Long-term incentive plan62 — — — — — — — — 
Amortization of operating ROU asset83 51 1 — 15 14 3 5 2 
AFUDC — Equity(64)— (13)(12)(14)(25)(20)(3)(2)
Six Months Ended June 30, 2020
Pension and non-pension postretirement benefit costs$203 $58 $57 $3 $31 $35 $7 $4 $7 
Allowance for credit losses92 13 17 29 10 22 12 8 2 
Other decommissioning-related activity(a)
(60)(60)— — — — — — — 
Energy-related options(b)
27 27 — — — — — — — 
True-up adjustments to decoupling mechanisms and formula rates(c)
55 — 13 (5)— 47 (2)24 25 
Long-term incentive plan(10)— — — — — — — — 
Amortization of operating ROU asset112 80 1 — 15 14 3 4 2 
Deferred Prosecution Agreement payments(d)
200 — 200 — — — — — — 
AFUDC — Equity(49)— (14)(7)(10)(17)(13)(2)(2)
__________
(a)Includes the elimination of decommissioning-related activities for the Regulatory Agreement Units except for decommissioning-related impacts that were not offset for the Byron units in the second quarter of 2021, including the elimination of operating revenues, ARO accretion, ARC amortization, investment income, and income taxes related to all NDT fund activity for these units. See Note 10 — Asset Retirement Obligations of the Exelon 2020 Form 10-K for additional information regarding the accounting for nuclear decommissioning and Note 8 — Nuclear Decommissioning for additional information on the contractual offset suspension for the Byron units.
(b)Includes option premiums reclassified to realized at the settlement of the underlying contracts and recorded to results of operations.
(c)For ComEd, reflects the true-up adjustments in regulatory assets and liabilities associated with its distribution, energy efficiency, distributed generation, and transmission formula rates. For BGE, Pepco, and DPL, reflects the change in regulatory assets and liabilities associated with their decoupling mechanisms and transmission formula rates. For PECO and ACE, reflects the change in regulatory assets and liabilities associated with their transmission formula rates. See Note 3 — Regulatory Matters for additional information.
(d)See Note 15 — Commitments and Contingencies for additional information related to the Deferred Prosecution Agreement.
The following tables provide a reconciliation of cash, cash equivalents and restricted cash reported within the Registrants’ Consolidated Balance Sheets that sum to the total of the same amounts in their Consolidated Statements of Cash Flows.
ExelonGenerationComEdPECOBGEPHIPepcoDPLACE
June 30, 2021
Cash and cash equivalents$1,578 $542 $71 $376 $368 $61 $17 $17 $11 
Restricted cash and cash equivalents379 59 240 8 3 42 33 5 3 
Restricted cash included in other long-term assets52 — 43 — — 9 — — 9 
Total cash, restricted cash, and cash equivalents$2,009 $601 $354 $384 $371 $112 $50 $22 $23 
December 31, 2020
Cash and cash equivalents$663 $226 $83 $19 $144 $111 $30 $15 $17 
Restricted cash and cash equivalents438 89 279 7 1 39 35 — 3 
Restricted cash included in other long-term assets53 — 43 — — 10 — — 10 
Cash, restricted cash, and cash equivalents - Held for Sale12 12 — — — — — — — 
Total cash, restricted cash, and cash equivalents$1,166 $327 $405 $26 $145 $160 $65 $15 $30 
June 30, 2020
Cash and cash equivalents$2,129 $483 $403 $380 $195 $39 $19 $6 $8 
Restricted cash and cash equivalents373 153 155 7 1 36 33 — 3 
Restricted cash included in other long-term assets178 — 166 — — 11 — — 11 
Total cash, restricted cash, and cash equivalents$2,680 $636 $724 $387 $196 $86 $52 $6 $22 
December 31, 2019
Cash and cash equivalents$587 $303 $90 $21 $24 $131 $30 $13 $12 
Restricted cash and cash equivalents358 146 150 6 1 36 33 — 2 
Restricted cash included in other long-term assets177 — 163 — — 14 — — 14 
Total cash, restricted cash, and cash equivalents$1,122 $449 $403 $27 $25 $181 $63 $13 $28 
For additional information on restricted cash see Note 1 — Significant Accounting Policies of the Exelon 2020 Form 10-K.
Supplemental Balance Sheet Information
The following tables provide additional information about material items recorded in the Registrants' Consolidated Balance Sheets.
Accrued expenses
ExelonGenerationComEdPECOBGEPHIPepcoDPLACE
June 30, 2021
Compensation-related accruals(a)
$730 $255 $136 $51 $55 $85 $28 $16 $13 
Taxes accrued473 242 77 31 35 86 58 9 9 
Interest accrued339 43 116 40 45 51 27 8 12 
December 31, 2020
Compensation-related accruals(a)
$1,069 $426 $170 $73 $84 $109 $36 $18 $17 
Taxes accrued527 229 94 16 73 117 90 18 12 
Interest accrued331 44 109 37 46 51 26 7 12 
__________
(a)Primarily includes accrued payroll, bonuses and other incentives, vacation and benefits.