Supplementary Financial Information	12 Months Ended
Dec. 31, 2021
Supplementary Financial Information [Abstract]
SUPPLEMENTARY FINANCIAL INFORMATION	11. SUPPLEMENTARY FINANCIAL INFORMATION Other Deductions and (Income) Year Ended December 31, 2021 2020 2019 Professional fees $ 9 $ 6 $ 10InfraREIT Acquisition related costs - - 9Recoverable Pension and OPEB - non-service costs 54 55 57Non-recoverable pension and OPEB 3 4 4AFUDC equity income (27) (29) (10)Interest and investment income (8) (4) (5)Other - 1 (2)Total other deductions and (income) - net $ 31 $ 33 $ 63 Interest Expense and Related Charges Year Ended December 31, 2021 2020 2019 Interest $ 415 $ 413 $ 382Amortization of debt issuance costs and discounts 11 11 9Less AFUDC – capitalized interest portion (13) (19) (16)Total interest expense and related charges $ 413 $ 405 $ 375 Trade Accounts and Other Receivables Trade accounts and other receivables reported on our balance sheet consisted of the following: At December 31, 2021 2020 Gross trade accounts and other receivables $ 750 $ 767Allowance for uncollectible accounts (12) (7)Trade accounts receivable – net $ 738 $ 760 At December 31, 2021, REP subsidiaries of two of our largest customers represented 22% and 21% of the trade accounts receivable balance and no other customers represented 10% or more of the trade accounts receivable balance. At December 31, 2020, REP subsidiaries of two of our largest customers represented 21% and 15% of the trade accounts receivable balance. Under a PUCT rule relating to the Certification of Retail Electric Providers, write-offs of uncollectible amounts owed by REPs are deferred as a regulatory asset. Investments and Other Property Investments and other property reported on our balance sheet consist of the following: At December 31, 2021 2020 Assets related to employee benefit plans $ 133 $ 124Land 20 16Other 2 2Total investments and other property $ 155 $ 142 The majority of these assets represent cash surrender values of life insurance policies that are purchased to fund liabilities under deferred compensation plans. At December 31, 2021 and 2020, the face amount of these policies totaled $198 million and $181 million, respectively, and the net cash surrender values (determined using a Level 2 valuation technique) totaled $99 million and $97 million at December 31, 2021 and 2020, respectively. Changes in cash surrender value are netted against premiums paid. Other investment assets held to satisfy deferred compensation liabilities are recorded at market value. Property, Plant and Equipment Property, plant and equipment reported on our balance sheet consisted of the following: Composite Depreciation Rate/ At December 31, Average Life at December 31, 2021 2021 2020Assets in service: Distribution 2.5% / 39.5 years $ 15,994 $ 14,937Transmission 2.9% / 34.6 years 13,075 12,156Other assets 5.5% / 18.2 years 1,960 1,855Total 31,029 28,948Less accumulated depreciation 8,659 8,336Net of accumulated depreciation 22,370 20,612Construction work in progress 557 593Held for future use 27 20Property, plant and equipment – net $ 22,954 $ 21,225 Depreciation expense as a percent of average depreciable property approximated 2.7%, 2.7% and 2.7% for the years ended December 31, 2021, 2020 and 2019, respectively. Intangible Assets Intangible assets (other than goodwill) reported on our balance sheet as part of property, plant and equipment consisted of the following: At December 31, 2021 At December 31, 2020 Gross Gross Carrying Accumulated Carrying Accumulated Amount Amortization Net Amount Amortization NetIdentifiable intangible assets subject to amortization: Land easements $ 641 $ 117 $ 524 $ 623 $ 112 $ 511Capitalized software 1,066 451 615 1,027 484 543Total $ 1,707 $ 568 $1,139 $ 1,650 $ 596 $1,054 Aggregate amortization expense for intangible assets totaled $50 million, $62 million and $52 million for the years ended December 31, 2021, 2020 and 2019, respectively. At December 31, 2021, the weighted average remaining useful lives of capitalized land easements and software were 83 years and 10 years, respectively. The estimated aggregate amortization expense for each of the next five fiscal years is as follows: Year Amortization Expense2022 $ 672023 $ 672024 $ 662025 $ 662026 $ 66 Goodwill totaling $4.740 billion was reported on our balance sheet at both December 31, 2021 and 2020. See Note 1 regarding goodwill impairment assessment and testing. Operating Lease, Third-Party Joint Project and Other Obligations Operating lease, third-party joint project and other obligations reported on our balance sheet consisted of the following: At December 31, 2021 2020 Operating lease liabilities (Notes 1 and 7) $ 133 $ 124Investment tax credits 4 5Third-party joint project obligation (Note 3) (a) - 100Customer deposits – noncurrent 30 -Other 64 76Total operating lease, third-party joint project and other obligations $ 231 $ 305____________(a)Related to a joint project with LP&L. See Note 3 for more information. Supplemental Cash Flow Information Year Ended December 31, 2021 2020 2019Cash payments (receipts) related to: Interest $ 409 $ 406 $ 368Less capitalized interest (13) (19) (16)Interest payments (net of amounts capitalized) $ 396 $ 387 $ 352 Amount in lieu of income taxes (a): Federal $ 61 $ 87 $ 56State 23 22 22Total payments (receipts) in lieu of income taxes $ 84 $ 109 $ 78 Acquisition: Assets acquired $ - $ - $ 2,547Liabilities assumed - - (1,223)Cash paid $ - $ - $ 1,324 Noncash investing and financing activities: Construction expenditures financed through accounts payable (investing) (b) $ 254 $ 254 $ 278Transfer of title to assets constructed for and prepaid by LP&L (investing) (Note 3) $ 150 $ - $ -ROU assets obtained in exchange for operating lease obligations (investing) $ 52 $ 72 $ 38Debt exchange offering (financing) $ - $ 300 $ -______________(a)See Note 10 for income tax related detail. (b)Represents end-of-period accruals.

Supplementary Financial Information

12 Months Ended

Dec. 31, 2021

Supplementary Financial Information [Abstract]

11. SUPPLEMENTARY FINANCIAL INFORMATION Other Deductions and (Income) Year Ended December 31, 2021 2020 2019 Professional fees $ 9 $ 6 $ 10InfraREIT Acquisition related costs - - 9Recoverable Pension and OPEB - non-service costs 54 55 57Non-recoverable pension and OPEB 3 4 4AFUDC equity income (27) (29) (10)Interest and investment income (8) (4) (5)Other - 1 (2)Total other deductions and (income) - net $ 31 $ 33 $ 63 Interest Expense and Related Charges Year Ended December 31, 2021 2020 2019 Interest $ 415 $ 413 $ 382Amortization of debt issuance costs and discounts 11 11 9Less AFUDC – capitalized interest portion (13) (19) (16)Total interest expense and related charges $ 413 $ 405 $ 375 Trade Accounts and Other Receivables Trade accounts and other receivables reported on our balance sheet consisted of the following: At December 31, 2021 2020 Gross trade accounts and other receivables $ 750 $ 767Allowance for uncollectible accounts (12) (7)Trade accounts receivable – net $ 738 $ 760 At December 31, 2021, REP subsidiaries of two of our largest customers represented 22% and 21% of the trade accounts receivable balance and no other customers represented 10% or more of the trade accounts receivable balance. At December 31, 2020, REP subsidiaries of two of our largest customers represented 21% and 15% of the trade accounts receivable balance. Under a PUCT rule relating to the Certification of Retail Electric Providers, write-offs of uncollectible amounts owed by REPs are deferred as a regulatory asset. Investments and Other Property Investments and other property reported on our balance sheet consist of the following: At December 31, 2021 2020 Assets related to employee benefit plans $ 133 $ 124Land 20 16Other 2 2Total investments and other property $ 155 $ 142 The majority of these assets represent cash surrender values of life insurance policies that are purchased to fund liabilities under deferred compensation plans. At December 31, 2021 and 2020, the face amount of these policies totaled $198 million and $181 million, respectively, and the net cash surrender values (determined using a Level 2 valuation technique) totaled $99 million and $97 million at December 31, 2021 and 2020, respectively. Changes in cash surrender value are netted against premiums paid. Other investment assets held to satisfy deferred compensation liabilities are recorded at market value. Property, Plant and Equipment Property, plant and equipment reported on our balance sheet consisted of the following: Composite Depreciation Rate/ At December 31, Average Life at December 31, 2021 2021 2020Assets in service: Distribution 2.5% / 39.5 years $ 15,994 $ 14,937Transmission 2.9% / 34.6 years 13,075 12,156Other assets 5.5% / 18.2 years 1,960 1,855Total 31,029 28,948Less accumulated depreciation 8,659 8,336Net of accumulated depreciation 22,370 20,612Construction work in progress 557 593Held for future use 27 20Property, plant and equipment – net $ 22,954 $ 21,225 Depreciation expense as a percent of average depreciable property approximated 2.7%, 2.7% and 2.7% for the years ended December 31, 2021, 2020 and 2019, respectively. Intangible Assets Intangible assets (other than goodwill) reported on our balance sheet as part of property, plant and equipment consisted of the following: At December 31, 2021 At December 31, 2020 Gross Gross Carrying Accumulated Carrying Accumulated Amount Amortization Net Amount Amortization NetIdentifiable intangible assets subject to amortization: Land easements $ 641 $ 117 $ 524 $ 623 $ 112 $ 511Capitalized software 1,066 451 615 1,027 484 543Total $ 1,707 $ 568 $1,139 $ 1,650 $ 596 $1,054 Aggregate amortization expense for intangible assets totaled $50 million, $62 million and $52 million for the years ended December 31, 2021, 2020 and 2019, respectively. At December 31, 2021, the weighted average remaining useful lives of capitalized land easements and software were 83 years and 10 years, respectively. The estimated aggregate amortization expense for each of the next five fiscal years is as follows: Year Amortization Expense2022 $ 672023 $ 672024 $ 662025 $ 662026 $ 66 Goodwill totaling $4.740 billion was reported on our balance sheet at both December 31, 2021 and 2020. See Note 1 regarding goodwill impairment assessment and testing. Operating Lease, Third-Party Joint Project and Other Obligations Operating lease, third-party joint project and other obligations reported on our balance sheet consisted of the following: At December 31, 2021 2020 Operating lease liabilities (Notes 1 and 7) $ 133 $ 124Investment tax credits 4 5Third-party joint project obligation (Note 3) (a) - 100Customer deposits – noncurrent 30 -Other 64 76Total operating lease, third-party joint project and other obligations $ 231 $ 305____________(a)Related to a joint project with LP&L. See Note 3 for more information. Supplemental Cash Flow Information Year Ended December 31, 2021 2020 2019Cash payments (receipts) related to: Interest $ 409 $ 406 $ 368Less capitalized interest (13) (19) (16)Interest payments (net of amounts capitalized) $ 396 $ 387 $ 352 Amount in lieu of income taxes (a): Federal $ 61 $ 87 $ 56State 23 22 22Total payments (receipts) in lieu of income taxes $ 84 $ 109 $ 78 Acquisition: Assets acquired $ - $ - $ 2,547Liabilities assumed - - (1,223)Cash paid $ - $ - $ 1,324 Noncash investing and financing activities: Construction expenditures financed through accounts payable (investing) (b) $ 254 $ 254 $ 278Transfer of title to assets constructed for and prepaid by LP&L (investing) (Note 3) $ 150 $ - $ -ROU assets obtained in exchange for operating lease obligations (investing) $ 52 $ 72 $ 38Debt exchange offering (financing) $ - $ 300 $ -______________(a)See Note 10 for income tax related detail. (b)Represents end-of-period accruals.