Condensed Consolidated Balance Sheets - Piedmont - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	$ 3,021	$ 2,437
Inventory	3,208	3,199
Regulatory assets (includes amounts related to VIEs)	2,834	2,150
Other (includes amounts related to VIEs)	1,163	638
Total current assets	11,561	9,940
Property, Plant and Equipment
Cost	166,004	161,819
Accumulated depreciation and amortization	(52,252)	(50,555)
Facilities to be retired, net	99	144
Net property, plant and equipment	113,851	111,408
Other Noncurrent Assets
Goodwill	19,303	19,303
Regulatory assets (includes amounts related to VIEs)	12,863	12,487
Operating lease right-of-use assets, net	1,222	1,266
Investments in equity method unconsolidated affiliates	983	970
Other (includes amounts related to VIEs)	4,026	3,812
Total other noncurrent assets	46,971	48,239
Total Assets	172,383	169,587
Current Liabilities
Accounts payable	3,971	3,629
Taxes accrued	682	749
Interest accrued	554	533
Regulatory liabilities	1,383	1,211
Other	2,259	2,471
Total current liabilities	16,544	15,931
Long-Term Debt (includes amounts related to VIEs)	63,147	60,448
Other Noncurrent Liabilities
Deferred income taxes	9,948	9,379
Asset retirement obligations	12,080	12,129
Regulatory liabilities	14,519	16,152
Operating lease liabilities	1,039	1,074
Accrued pension and other post-retirement benefit costs	799	855
Other (includes amounts related to VIEs)	1,868	1,650
Total other noncurrent liabilities	41,108	42,072
Commitments and Contingencies
Equity
Common stock	1	1
Retained earnings	3,457	3,265
Total Duke Energy Corporation stockholders' equity	49,720	49,296
Total Liabilities and Equity	172,383	169,587
Piedmont
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	150	318
Receivables from affiliated companies	11	11
Inventory	68	109
Regulatory assets (includes amounts related to VIEs)	154	141
Other (includes amounts related to VIEs)	61	9
Total current assets	444	588
Property, Plant and Equipment
Cost	10,317	9,918
Accumulated depreciation and amortization	(1,987)	(1,899)
Facilities to be retired, net	10	11
Net property, plant and equipment	8,340	8,030
Other Noncurrent Assets
Goodwill	49	49
Regulatory assets (includes amounts related to VIEs)	373	316
Operating lease right-of-use assets, net	14	16
Investments in equity method unconsolidated affiliates	79	95
Other (includes amounts related to VIEs)	324	288
Total other noncurrent assets	839	764
Total Assets	9,623	9,382
Current Liabilities
Accounts payable	254	196
Accounts payable to affiliated companies	44	40
Notes payable to affiliated companies	33	518
Taxes accrued	31	63
Interest accrued	39	37
Regulatory liabilities	89	56
Other	77	81
Total current liabilities	567	991
Long-Term Debt (includes amounts related to VIEs)	3,363	2,968
Other Noncurrent Liabilities
Deferred income taxes	846	815
Asset retirement obligations	23	22
Regulatory liabilities	1,038	1,058
Operating lease liabilities	12	14
Accrued pension and other post-retirement benefit costs	7	7
Other (includes amounts related to VIEs)	205	158
Total other noncurrent liabilities	2,131	2,074
Commitments and Contingencies
Equity
Common stock	1,635	1,635
Retained earnings	1,927	1,714
Total Duke Energy Corporation stockholders' equity	3,562	3,349
Total Liabilities and Equity	$ 9,623	$ 9,382