Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 379	$ 259
Receivables (net of allowance for doubtful accounts)	950	1,009
Receivables of VIEs (net of allowance for doubtful accounts)	1,834	2,144
Inventory	3,076	3,167
Regulatory assets (includes amounts related to VIEs)	1,650	1,641
Other (includes amounts related to VIEs)	619	462
Total current assets	8,508	8,682
Property, Plant and Equipment
Cost	157,372	155,580
Accumulated depreciation and amortization	(49,772)	(48,827)
Generation facilities to be retired, net	29	29
Net property, plant and equipment	107,629	106,782
Other Noncurrent Assets
Goodwill	19,303	19,303
Regulatory assets (includes amounts related to VIEs)	12,441	12,421
Nuclear decommissioning trust funds	9,410	9,114
Operating lease right-of-use assets, net	1,540	1,524
Investments in equity method unconsolidated affiliates	919	961
Other (includes amounts related to VIEs)	3,715	3,601
Total other noncurrent assets	47,328	46,924
Total Assets	163,465	162,388
Current Liabilities
Accounts payable	2,497	3,144
Notes payable and commercial paper	4,064	2,873
Taxes accrued	574	482
Interest accrued	536	537
Current maturities of long-term debt (includes amounts related to VIEs)	5,586	4,238
Asset retirement obligations	709	718
Regulatory liabilities	1,509	1,377
Other	1,858	2,936
Total current liabilities	17,333	16,305
Long-Term Debt (includes amounts related to VIEs)	54,768	55,625
Other Noncurrent Liabilities
Deferred income taxes	9,459	9,244
Asset retirement obligations	12,299	12,286
Regulatory liabilities	15,070	15,029
Operating lease liabilities	1,352	1,340
Accrued pension and other post-retirement benefit costs	1,010	969
Investment tax credits	747	687
Other (includes amounts related to VIEs)	1,769	1,719
Total other noncurrent liabilities	41,706	41,274
Commitments and Contingencies
Equity
Common stock	1	1
Additional paid-in capital	43,761	43,767
Retained earnings	2,680	2,471
Accumulated other comprehensive loss	(218)	(237)
Total Duke Energy Corporation stockholders' equity	48,186	47,964
Noncontrolling interests	1,472	1,220
Total equity	49,658	49,184
Total Liabilities and Equity	163,465	162,388
Variable Interest Entity
Current Assets
Regulatory assets (includes amounts related to VIEs)	54	53
Other (includes amounts related to VIEs)	333	296
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	927	937
Other (includes amounts related to VIEs)	82	81
Current Liabilities
Current maturities of long-term debt (includes amounts related to VIEs)	472	472
Long-Term Debt (includes amounts related to VIEs)	3,686	3,535
Other Noncurrent Liabilities
Other (includes amounts related to VIEs)	331	316
Duke Energy Carolinas
Current Assets
Cash and cash equivalents	12	21
Receivables (net of allowance for doubtful accounts)	171	247
Receivables of VIEs (net of allowance for doubtful accounts)	613	696
Receivables from affiliated companies	119	124
Inventory	1,021	1,010
Regulatory assets (includes amounts related to VIEs)	433	473
Other (includes amounts related to VIEs)	90	20
Total current assets	2,459	2,591
Property, Plant and Equipment
Cost	51,027	50,640
Accumulated depreciation and amortization	(17,690)	(17,453)
Net property, plant and equipment	33,337	33,187
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	3,028	2,996
Nuclear decommissioning trust funds	5,147	4,977
Operating lease right-of-use assets, net	105	110
Other (includes amounts related to VIEs)	1,185	1,187
Total other noncurrent assets	9,465	9,270
Total Assets	45,261	45,048
Current Liabilities
Accounts payable	643	1,000
Accounts payable to affiliated companies	206	199
Notes payable to affiliated companies	508	506
Taxes accrued	138	76
Interest accrued	128	117
Current maturities of long-term debt (includes amounts related to VIEs)	507	506
Asset retirement obligations	258	264
Regulatory liabilities	559	473
Other	440	546
Total current liabilities	3,387	3,687
Long-Term Debt (includes amounts related to VIEs)	11,522	11,412
Long-Term Debt Payable to Affiliated Companies	300	300
Other Noncurrent Liabilities
Deferred income taxes	3,913	3,842
Asset retirement obligations	5,117	5,086
Regulatory liabilities	6,540	6,535
Operating lease liabilities	93	97
Accrued pension and other post-retirement benefit costs	72	73
Investment tax credits	235	236
Other (includes amounts related to VIEs)	616	626
Total other noncurrent liabilities	16,586	16,495
Commitments and Contingencies
Equity
Member's equity	13,473	13,161
Accumulated other comprehensive loss	(7)	(7)
Member's Equity	13,466	13,154
Total Liabilities and Equity	45,261	45,048
Progress Energy
Current Assets
Cash and cash equivalents	74	59
Receivables (net of allowance for doubtful accounts)	166	228
Receivables of VIEs (net of allowance for doubtful accounts)	749	901
Receivables from affiliated companies	76	157
Inventory	1,336	1,375
Regulatory assets (includes amounts related to VIEs)	821	758
Other (includes amounts related to VIEs)	257	109
Total current assets	3,479	3,587
Property, Plant and Equipment
Cost	58,546	57,892
Accumulated depreciation and amortization	(18,718)	(18,368)
Generation facilities to be retired, net	29	29
Net property, plant and equipment	39,857	39,553
Other Noncurrent Assets
Goodwill	3,655	3,655
Regulatory assets (includes amounts related to VIEs)	5,749	5,775
Nuclear decommissioning trust funds	4,263	4,137
Operating lease right-of-use assets, net	720	690
Other (includes amounts related to VIEs)	1,267	1,227
Total other noncurrent assets	15,654	15,484
Total Assets	58,990	58,624
Current Liabilities
Accounts payable	796	919
Accounts payable to affiliated companies	321	289
Notes payable to affiliated companies	2,844	2,969
Taxes accrued	143	121
Interest accrued	187	202
Current maturities of long-term debt (includes amounts related to VIEs)	2,127	1,426
Asset retirement obligations	267	283
Regulatory liabilities	702	640
Other	744	793
Total current liabilities	8,131	7,642
Long-Term Debt (includes amounts related to VIEs)	17,056	17,688
Long-Term Debt Payable to Affiliated Companies	150	150
Other Noncurrent Liabilities
Deferred income taxes	4,489	4,396
Asset retirement obligations	5,859	5,866
Regulatory liabilities	5,126	5,051
Operating lease liabilities	648	623
Accrued pension and other post-retirement benefit costs	501	505
Other (includes amounts related to VIEs)	500	462
Total other noncurrent liabilities	17,123	16,903
Commitments and Contingencies
Equity
Additional paid-in capital	9,143	9,143
Retained earnings	7,400	7,109
Accumulated other comprehensive loss	(15)	(15)
Total Duke Energy Corporation stockholders' equity	16,528	16,237
Noncontrolling interests	2	4
Total equity	16,530	16,241
Total Liabilities and Equity	58,990	58,624
Progress Energy \| Variable Interest Entity
Current Assets
Regulatory assets (includes amounts related to VIEs)	54	53
Other (includes amounts related to VIEs)	14	39
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	927	937
Current Liabilities
Current maturities of long-term debt (includes amounts related to VIEs)	305	305
Long-Term Debt (includes amounts related to VIEs)	1,322	1,252
Duke Energy Progress
Current Assets
Cash and cash equivalents	46	39
Receivables (net of allowance for doubtful accounts)	80	132
Receivables of VIEs (net of allowance for doubtful accounts)	422	500
Receivables from affiliated companies	70	50
Inventory	882	911
Regulatory assets (includes amounts related to VIEs)	469	492
Other (includes amounts related to VIEs)	138	60
Total current assets	2,107	2,184
Property, Plant and Equipment
Cost	36,077	35,759
Accumulated depreciation and amortization	(13,064)	(12,801)
Generation facilities to be retired, net	29	29
Net property, plant and equipment	23,042	22,987
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	4,033	3,976
Nuclear decommissioning trust funds	3,645	3,500
Operating lease right-of-use assets, net	386	346
Other (includes amounts related to VIEs)	759	740
Total other noncurrent assets	8,823	8,562
Total Assets	33,972	33,733
Current Liabilities
Accounts payable	339	454
Accounts payable to affiliated companies	225	215
Notes payable to affiliated companies	163	295
Taxes accrued	73	85
Interest accrued	71	99
Current maturities of long-term debt (includes amounts related to VIEs)	1,302	603
Asset retirement obligations	267	283
Regulatory liabilities	618	530
Other	383	411
Total current liabilities	3,441	2,975
Long-Term Debt (includes amounts related to VIEs)	7,904	8,505
Long-Term Debt Payable to Affiliated Companies	150	150
Other Noncurrent Liabilities
Deferred income taxes	2,374	2,298
Asset retirement obligations	5,366	5,352
Regulatory liabilities	4,454	4,394
Operating lease liabilities	356	323
Accrued pension and other post-retirement benefit costs	240	242
Investment tax credits	131	132
Other (includes amounts related to VIEs)	86	102
Total other noncurrent liabilities	13,007	12,843
Commitments and Contingencies
Equity
Member's Equity	9,470	9,260
Total Liabilities and Equity	33,972	33,733
Duke Energy Florida
Current Assets
Cash and cash equivalents	22	11
Receivables (net of allowance for doubtful accounts)	84	94
Receivables of VIEs (net of allowance for doubtful accounts)	327	401
Receivables from affiliated companies	7	3
Inventory	455	464
Regulatory assets (includes amounts related to VIEs)	352	265
Other (includes amounts related to VIEs)	82	41
Total current assets	1,329	1,279
Property, Plant and Equipment
Cost	22,459	22,123
Accumulated depreciation and amortization	(5,646)	(5,560)
Net property, plant and equipment	16,813	16,563
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	1,717	1,799
Nuclear decommissioning trust funds	617	637
Operating lease right-of-use assets, net	333	344
Other (includes amounts related to VIEs)	355	335
Total other noncurrent assets	3,022	3,115
Total Assets	21,164	20,957
Current Liabilities
Accounts payable	457	465
Accounts payable to affiliated companies	108	85
Notes payable to affiliated companies	279	196
Taxes accrued	84	82
Interest accrued	75	69
Current maturities of long-term debt (includes amounts related to VIEs)	824	823
Regulatory liabilities	84	110
Other	356	374
Total current liabilities	2,267	2,204
Long-Term Debt (includes amounts related to VIEs)	7,060	7,092
Other Noncurrent Liabilities
Deferred income taxes	2,209	2,191
Asset retirement obligations	493	514
Regulatory liabilities	672	658
Operating lease liabilities	292	300
Accrued pension and other post-retirement benefit costs	230	231
Other (includes amounts related to VIEs)	267	209
Total other noncurrent liabilities	4,163	4,103
Commitments and Contingencies
Equity
Member's equity	7,677	7,560
Accumulated other comprehensive loss	(3)	(2)
Member's Equity	7,674	7,558
Total Liabilities and Equity	21,164	20,957
Duke Energy Florida \| Variable Interest Entity
Current Assets
Regulatory assets (includes amounts related to VIEs)	54	53
Other (includes amounts related to VIEs)	14	39
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	927	937
Current Liabilities
Current maturities of long-term debt (includes amounts related to VIEs)	305	305
Long-Term Debt (includes amounts related to VIEs)	972	1,002
Duke Energy Ohio
Current Assets
Cash and cash equivalents	18	14
Receivables (net of allowance for doubtful accounts)	98	98
Receivables from affiliated companies	60	102
Inventory	108	110
Regulatory assets (includes amounts related to VIEs)	54	39
Other (includes amounts related to VIEs)	18	31
Total current assets	356	394
Property, Plant and Equipment
Cost	11,199	11,022
Accumulated depreciation and amortization	(3,049)	(3,013)
Net property, plant and equipment	8,150	8,009
Other Noncurrent Assets
Goodwill	920	920
Regulatory assets (includes amounts related to VIEs)	620	610
Operating lease right-of-use assets, net	20	20
Other (includes amounts related to VIEs)	75	72
Total other noncurrent assets	1,635	1,622
Total Assets	10,141	10,025
Current Liabilities
Accounts payable	266	279
Accounts payable to affiliated companies	56	68
Notes payable to affiliated companies	270	169
Taxes accrued	192	247
Interest accrued	32	31
Current maturities of long-term debt (includes amounts related to VIEs)	50	50
Asset retirement obligations	8	3
Regulatory liabilities	59	65
Other	67	70
Total current liabilities	1,000	982
Long-Term Debt (includes amounts related to VIEs)	3,015	3,014
Long-Term Debt Payable to Affiliated Companies	25	25
Other Noncurrent Liabilities
Deferred income taxes	1,001	981
Asset retirement obligations	104	108
Regulatory liabilities	739	748
Operating lease liabilities	20	20
Accrued pension and other post-retirement benefit costs	114	113
Other (includes amounts related to VIEs)	97	99
Total other noncurrent liabilities	2,075	2,069
Commitments and Contingencies
Equity
Common stock	762	762
Additional paid-in capital	2,776	2,776
Retained earnings	488	397
Total Duke Energy Corporation stockholders' equity	4,026	3,935
Total Liabilities and Equity	10,141	10,025
Duke Energy Indiana
Current Assets
Cash and cash equivalents	17	7
Receivables (net of allowance for doubtful accounts)	63	55
Receivables from affiliated companies	62	112
Notes receivable from affiliated companies	51
Inventory	436	473
Regulatory assets (includes amounts related to VIEs)	151	125
Other (includes amounts related to VIEs)	34	37
Total current assets	814	809
Property, Plant and Equipment
Cost	17,548	17,382
Accumulated depreciation and amortization	(5,821)	(5,661)
Net property, plant and equipment	11,727	11,721
Other Noncurrent Assets
Regulatory assets (includes amounts related to VIEs)	1,217	1,203
Operating lease right-of-use assets, net	54	55
Other (includes amounts related to VIEs)	251	253
Total other noncurrent assets	1,522	1,511
Total Assets	14,063	14,041
Current Liabilities
Accounts payable	163	188
Accounts payable to affiliated companies	72	88
Notes payable to affiliated companies		131
Taxes accrued	122	62
Interest accrued	59	51
Current maturities of long-term debt (includes amounts related to VIEs)	123	70
Asset retirement obligations	176	168
Regulatory liabilities	119	111
Other	82	83
Total current liabilities	916	952
Long-Term Debt (includes amounts related to VIEs)	3,818	3,871
Long-Term Debt Payable to Affiliated Companies	150	150
Other Noncurrent Liabilities
Deferred income taxes	1,230	1,228
Asset retirement obligations	997	1,008
Regulatory liabilities	1,629	1,627
Operating lease liabilities	52	53
Accrued pension and other post-retirement benefit costs	172	171
Investment tax credits	168	168
Other (includes amounts related to VIEs)	35	30
Total other noncurrent liabilities	4,283	4,285
Commitments and Contingencies
Equity
Member's Equity	4,896	4,783
Total Liabilities and Equity	14,063	14,041
Piedmont
Current Assets
Cash and cash equivalents	1	0
Receivables (net of allowance for doubtful accounts)	257	250
Receivables from affiliated companies	10	10
Notes receivable from affiliated companies	198	0
Inventory	37	68
Regulatory assets (includes amounts related to VIEs)	100	153
Other (includes amounts related to VIEs)	12	20
Total current assets	615	501
Property, Plant and Equipment
Cost	9,358	9,134
Accumulated depreciation and amortization	(1,809)	(1,749)
Net property, plant and equipment	7,549	7,385
Other Noncurrent Assets
Goodwill	49	49
Regulatory assets (includes amounts related to VIEs)	324	302
Operating lease right-of-use assets, net	19	20
Investments in equity method unconsolidated affiliates	88	88
Other (includes amounts related to VIEs)	274	270
Total other noncurrent assets	754	729
Total Assets	8,918	8,615
Current Liabilities
Accounts payable	166	230
Accounts payable to affiliated companies	58	79
Notes payable to affiliated companies		530
Taxes accrued	68	23
Interest accrued	37	34
Current maturities of long-term debt (includes amounts related to VIEs)	160	160
Regulatory liabilities	70	88
Other	73	69
Total current liabilities	632	1,213
Long-Term Debt (includes amounts related to VIEs)	2,967	2,620
Other Noncurrent Liabilities
Deferred income taxes	837	821
Asset retirement obligations	20	20
Regulatory liabilities	1,015	1,044
Operating lease liabilities	17	19
Accrued pension and other post-retirement benefit costs	8	8
Other (includes amounts related to VIEs)	179	155
Total other noncurrent liabilities	2,076	2,067
Commitments and Contingencies
Equity
Common stock	1,635	1,310
Retained earnings	1,608	1,405
Total Duke Energy Corporation stockholders' equity	3,243	2,715
Total Liabilities and Equity	8,918	8,615
Preferred stock, Series A
Equity
Preferred stock	973	973
Preferred stock, Series B
Equity
Preferred stock	$ 989	$ 989

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Amount of lessee's right to use underlying asset under operating lease.

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