Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 1,450	$ 311
Receivables (net of allowance for doubtful accounts)	809	1,066
Receivables of VIEs (net of allowance for doubtful accounts)	1,828	1,994
Inventory	3,324	3,232
Regulatory assets (includes amounts related to VIEs)	1,770	1,796
Other (includes amounts related to VIEs)	1,000	764
Total current assets	10,181	9,163
Property, Plant and Equipment
Cost	149,676	147,654
Accumulated depreciation and amortization	(46,599)	(45,773)
Generation facilities to be retired, net	31	246
Net property, plant and equipment	103,108	102,127
Other Noncurrent Assets
Goodwill	19,303	19,303
Regulatory assets (includes amounts related to VIEs)	13,413	13,222
Nuclear decommissioning trust funds	7,052	8,140
Operating lease right-of-use assets, net	1,633	1,658
Investments in equity method unconsolidated affiliates	2,067	1,936
Other (includes amounts related to VIEs)	3,315	3,289
Total other noncurrent assets	46,783	47,548
Total Assets	160,072	158,838
Current Liabilities
Accounts payable	2,364	3,487
Notes payable and commercial paper	3,033	3,135
Taxes accrued	493	392
Interest accrued	571	565
Current maturities of long-term debt (includes amounts related to VIEs)	5,077	3,141
Asset retirement obligations	802	881
Regulatory liabilities	826	784
Other	2,004	2,367
Total current liabilities	15,170	14,752
Long-Term Debt (includes amounts related to VIEs)	56,311	54,985
Other Noncurrent Liabilities
Deferred income taxes	9,321	8,878
Asset retirement obligations	12,497	12,437
Regulatory liabilities	14,029	15,264
Operating lease liabilities	1,414	1,432
Accrued pension and other post-retirement benefit costs	919	934
Investment tax credits	659	624
Other (includes amounts related to VIEs)	1,669	1,581
Total other noncurrent liabilities	40,508	41,150
Commitments and Contingencies
Equity
Common stock	1	1
Additional paid-in capital	40,930	40,881
Retained earnings	4,221	4,108
Accumulated other comprehensive loss	(193)	(130)
Total Duke Energy Corporation stockholders' equity	46,921	46,822
Noncontrolling interests	1,162	1,129
Total equity	48,083	47,951
Total Liabilities and Equity	160,072	158,838
Duke Energy Carolinas
Current Assets
Cash and cash equivalents	16	18
Receivables (net of allowance for doubtful accounts)	212	324
Receivables of VIEs (net of allowance for doubtful accounts)	616	642
Receivables from affiliated companies	87	114
Notes receivable from affiliated companies	436
Inventory	1,067	996
Regulatory assets (includes amounts related to VIEs)	524	550
Other (includes amounts related to VIEs)	31	21
Total current assets	2,989	2,665
Property, Plant and Equipment
Cost	49,534	48,922
Accumulated depreciation and amortization	(16,884)	(16,525)
Net property, plant and equipment	32,650	32,397
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	3,427	3,360
Nuclear decommissioning trust funds	3,717	4,359
Operating lease right-of-use assets, net	132	123
Other (includes amounts related to VIEs)	1,136	1,149
Total other noncurrent assets	8,412	8,991
Total Assets	44,051	44,053
Current Liabilities
Accounts payable	605	954
Accounts payable to affiliated companies	225	210
Notes payable to affiliated companies		29
Taxes accrued	132	46
Interest accrued	144	115
Current maturities of long-term debt (includes amounts related to VIEs)	457	458
Asset retirement obligations	197	206
Regulatory liabilities	275	255
Other	479	611
Total current liabilities	2,514	2,884
Long-Term Debt (includes amounts related to VIEs)	12,050	11,142
Long-Term Debt Payable to Affiliated Companies	300	300
Other Noncurrent Liabilities
Deferred income taxes	3,968	3,921
Asset retirement obligations	5,552	5,528
Regulatory liabilities	5,766	6,423
Operating lease liabilities	112	102
Accrued pension and other post-retirement benefit costs	82	84
Investment tax credits	230	231
Other (includes amounts related to VIEs)	640	627
Total other noncurrent liabilities	16,350	16,916
Equity
Member's equity	12,844	12,818
Accumulated other comprehensive loss	(7)	(7)
Total member's equity	12,837	12,811
Total Liabilities and Equity	44,051	44,053
Progress Energy
Current Assets
Cash and cash equivalents	52	48
Receivables (net of allowance for doubtful accounts)	159	220
Receivables of VIEs (net of allowance for doubtful accounts)	745	830
Receivables from affiliated companies	49	76
Notes receivable from affiliated companies		164
Inventory	1,463	1,423
Regulatory assets (includes amounts related to VIEs)	954	946
Other (includes amounts related to VIEs)	196	210
Total current assets	3,618	3,917
Property, Plant and Equipment
Cost	55,788	55,070
Accumulated depreciation and amortization	(17,461)	(17,159)
Generation facilities to be retired, net	31	246
Net property, plant and equipment	38,358	38,157
Other Noncurrent Assets
Goodwill	3,655	3,655
Regulatory assets (includes amounts related to VIEs)	6,489	6,346
Nuclear decommissioning trust funds	3,335	3,782
Operating lease right-of-use assets, net	762	788
Other (includes amounts related to VIEs)	1,121	1,049
Total other noncurrent assets	15,362	15,620
Total Assets	57,338	57,694
Current Liabilities
Accounts payable	730	1,104
Accounts payable to affiliated companies	329	310
Notes payable to affiliated companies	2,300	1,821
Taxes accrued	117	46
Interest accrued	214	228
Current maturities of long-term debt (includes amounts related to VIEs)	1,828	1,577
Asset retirement obligations	421	485
Regulatory liabilities	347	330
Other	821	902
Total current liabilities	7,107	6,803
Long-Term Debt (includes amounts related to VIEs)	17,377	17,907
Long-Term Debt Payable to Affiliated Companies	150	150
Other Noncurrent Liabilities
Deferred income taxes	4,537	4,462
Asset retirement obligations	6,020	5,986
Regulatory liabilities	4,708	5,225
Operating lease liabilities	678	697
Accrued pension and other post-retirement benefit costs	480	488
Other (includes amounts related to VIEs)	404	383
Total other noncurrent liabilities	16,827	17,241
Equity
Additional paid-in capital	9,143	9,143
Retained earnings	6,747	6,465
Accumulated other comprehensive loss	(16)	(18)
Total Duke Energy Corporation stockholders' equity	15,874	15,590
Noncontrolling interests	3	3
Total equity	15,877	15,593
Total Liabilities and Equity	57,338	57,694
Duke Energy Progress
Current Assets
Cash and cash equivalents	32	22
Receivables (net of allowance for doubtful accounts)	77	123
Receivables of VIEs (net of allowance for doubtful accounts)	410	489
Receivables from affiliated companies	50	52
Inventory	956	934
Regulatory assets (includes amounts related to VIEs)	503	526
Other (includes amounts related to VIEs)	48	60
Total current assets	2,076	2,206
Property, Plant and Equipment
Cost	34,898	34,603
Accumulated depreciation and amortization	(12,114)	(11,915)
Generation facilities to be retired, net	31	246
Net property, plant and equipment	22,815	22,934
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	4,392	4,152
Nuclear decommissioning trust funds	2,644	3,047
Operating lease right-of-use assets, net	377	387
Other (includes amounts related to VIEs)	682	651
Total other noncurrent assets	8,095	8,237
Total Assets	32,986	33,377
Current Liabilities
Accounts payable	319	629
Accounts payable to affiliated companies	208	203
Notes payable to affiliated companies	229	66
Taxes accrued	43	17
Interest accrued	90	110
Current maturities of long-term debt (includes amounts related to VIEs)	1,006	1,006
Asset retirement obligations	421	485
Regulatory liabilities	263	236
Other	429	478
Total current liabilities	3,008	3,230
Long-Term Debt (includes amounts related to VIEs)	7,903	7,902
Long-Term Debt Payable to Affiliated Companies	150	150
Other Noncurrent Liabilities
Deferred income taxes	2,446	2,388
Asset retirement obligations	5,442	5,408
Regulatory liabilities	3,790	4,232
Operating lease liabilities	344	354
Accrued pension and other post-retirement benefit costs	235	238
Investment tax credits	135	137
Other (includes amounts related to VIEs)	83	92
Total other noncurrent liabilities	12,475	12,849
Equity
Total member's equity	9,450	9,246
Total Liabilities and Equity	32,986	33,377
Duke Energy Florida
Current Assets
Cash and cash equivalents	12	17
Receivables (net of allowance for doubtful accounts)	80	96
Receivables of VIEs (net of allowance for doubtful accounts)	335	341
Notes receivable from affiliated companies		173
Inventory	508	489
Regulatory assets (includes amounts related to VIEs)	451	419
Other (includes amounts related to VIEs)	37	58
Total current assets	1,423	1,593
Property, Plant and Equipment
Cost	20,880	20,457
Accumulated depreciation and amortization	(5,339)	(5,236)
Net property, plant and equipment	15,541	15,221
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	2,097	2,194
Nuclear decommissioning trust funds	691	734
Operating lease right-of-use assets, net	386	401
Other (includes amounts related to VIEs)	329	311
Total other noncurrent assets	3,503	3,640
Total Assets	20,467	20,454
Current Liabilities
Accounts payable	411	474
Accounts payable to affiliated companies	111	131
Notes payable to affiliated companies	305
Taxes accrued	74	43
Interest accrued	79	75
Current maturities of long-term debt (includes amounts related to VIEs)	322	571
Regulatory liabilities	84	94
Other	383	415
Total current liabilities	1,769	1,803
Long-Term Debt (includes amounts related to VIEs)	7,384	7,416
Other Noncurrent Liabilities
Deferred income taxes	2,192	2,179
Asset retirement obligations	578	578
Regulatory liabilities	918	993
Operating lease liabilities	334	343
Accrued pension and other post-retirement benefit costs	214	218
Other (includes amounts related to VIEs)	169	136
Total other noncurrent liabilities	4,405	4,447
Equity
Member's equity	6,909	6,789
Accumulated other comprehensive loss		(1)
Total member's equity	6,909	6,788
Total Liabilities and Equity	20,467	20,454
Duke Energy Ohio
Current Assets
Cash and cash equivalents	14	17
Receivables (net of allowance for doubtful accounts)	84	84
Receivables from affiliated companies	52	92
Inventory	121	135
Regulatory assets (includes amounts related to VIEs)	33	49
Other (includes amounts related to VIEs)	11	21
Total current assets	315	398
Property, Plant and Equipment
Cost	10,401	10,241
Accumulated depreciation and amortization	(2,883)	(2,843)
Net property, plant and equipment	7,518	7,398
Other Noncurrent Assets
Goodwill	920	920
Regulatory assets (includes amounts related to VIEs)	567	549
Operating lease right-of-use assets, net	21	21
Other (includes amounts related to VIEs)	56	52
Total other noncurrent assets	1,564	1,542
Total Assets	9,397	9,338
Current Liabilities
Accounts payable	227	288
Accounts payable to affiliated companies	68	68
Notes payable to affiliated companies	399	312
Taxes accrued	170	219
Interest accrued	30	30
Asset retirement obligations	3	1
Regulatory liabilities	66	64
Other	68	75
Total current liabilities	1,031	1,057
Long-Term Debt (includes amounts related to VIEs)	2,595	2,594
Long-Term Debt Payable to Affiliated Companies	25	25
Other Noncurrent Liabilities
Deferred income taxes	942	922
Asset retirement obligations	78	79
Regulatory liabilities	760	763
Operating lease liabilities	20	21
Accrued pension and other post-retirement benefit costs	101	100
Other (includes amounts related to VIEs)	97	94
Total other noncurrent liabilities	1,998	1,979
Equity
Common stock	762	762
Additional paid-in capital	2,776	2,776
Retained earnings	210	145
Total Duke Energy Corporation stockholders' equity	3,748	3,683
Total Liabilities and Equity	9,397	9,338
Duke Energy Indiana
Current Assets
Cash and cash equivalents	15	25
Receivables (net of allowance for doubtful accounts)	50	60
Receivables from affiliated companies	76	79
Notes receivable from affiliated companies	543
Inventory	538	517
Regulatory assets (includes amounts related to VIEs)	78	90
Other (includes amounts related to VIEs)	36	60
Total current assets	1,336	831
Property, Plant and Equipment
Cost	16,481	16,305
Accumulated depreciation and amortization	(5,349)	(5,233)
Net property, plant and equipment	11,132	11,072
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	1,098	1,082
Operating lease right-of-use assets, net	57	57
Other (includes amounts related to VIEs)	214	234
Total other noncurrent assets	1,369	1,373
Total Assets	13,837	13,276
Current Liabilities
Accounts payable	157	201
Accounts payable to affiliated companies	66	87
Notes payable to affiliated companies		30
Taxes accrued	81	49
Interest accrued	60	58
Current maturities of long-term debt (includes amounts related to VIEs)	503	503
Asset retirement obligations	181	189
Regulatory liabilities	46	55
Other	92	112
Total current liabilities	1,186	1,284
Long-Term Debt (includes amounts related to VIEs)	3,950	3,404
Long-Term Debt Payable to Affiliated Companies	150	150
Other Noncurrent Liabilities
Deferred income taxes	1,158	1,150
Asset retirement obligations	645	643
Regulatory liabilities	1,672	1,685
Operating lease liabilities	54	55
Accrued pension and other post-retirement benefit costs	148	148
Investment tax credits	170	164
Other (includes amounts related to VIEs)	30	18
Total other noncurrent liabilities	3,877	3,863
Equity
Total member's equity	4,674	4,575
Total Liabilities and Equity	13,837	13,276
Piedmont Natural Gas
Current Assets
Cash and cash equivalents	4
Receivables (net of allowance for doubtful accounts)	191	241
Receivables from affiliated companies	13	10
Inventory	39	72
Regulatory assets (includes amounts related to VIEs)	96	73
Other (includes amounts related to VIEs)	13	28
Total current assets	356	424
Property, Plant and Equipment
Cost	8,653	8,446
Accumulated depreciation and amortization	(1,703)	(1,681)
Net property, plant and equipment	6,950	6,765
Other Noncurrent Assets
Goodwill	49	49
Regulatory assets (includes amounts related to VIEs)	263	290
Operating lease right-of-use assets, net	23	24
Investments in equity method unconsolidated affiliates	84	83
Other (includes amounts related to VIEs)	132	121
Total other noncurrent assets	551	567
Total Assets	7,857	7,756
Current Liabilities
Accounts payable	145	215
Accounts payable to affiliated companies	12	3
Notes payable to affiliated companies	486	476
Taxes accrued	36	24
Interest accrued	32	33
Regulatory liabilities	91	81
Other	54	67
Total current liabilities	856	899
Long-Term Debt (includes amounts related to VIEs)	2,385	2,384
Other Noncurrent Liabilities
Deferred income taxes	742	708
Asset retirement obligations	17	17
Regulatory liabilities	1,087	1,131
Operating lease liabilities	22	23
Accrued pension and other post-retirement benefit costs	7	3
Other (includes amounts related to VIEs)	121	148
Total other noncurrent liabilities	1,996	2,030
Equity
Common stock	1,310	1,310
Retained earnings	1,310	1,133
Total Duke Energy Corporation stockholders' equity	2,620	2,443
Total Liabilities and Equity	7,857	7,756
Preferred stock, Series A
Equity
Preferred stock	973	973
Preferred stock, Series B
Equity
Preferred stock	$ 989	$ 989

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Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

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Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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The period end amount for a type of inventory held by the utility in a schedule of inventories.

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Period end book value of accumulated depreciation on property, plant and equipment (PPE) that is owned by the regulated operations of the public utility.

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Period end amount of total net PPE.

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Period end amount of total gross PPE.

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Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are expected to be recovered through revenue sources within one year or the normal operating cycle, if longer. Such costs are capitalized if they meet both of the following criteria: a. It is probable that future revenue in an amount at least equal to the capitalized cost will result from inclusion of that cost in allowable costs for rate-making purposes. b. Based on available evidence, the future revenue will be provided to permit recovery of the previously incurred cost rather than to provide for expected levels of similar future costs. If the revenue will be provided through an automatic rate-adjustment clause, this criterion requires that the regulator's intent clearly be to permit recovery of the previously incurred cost.

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Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.

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The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period.

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The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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