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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Cash Flows from Operating Activities |  |  |
Net Income |  | $ 907 | $ 967
Depreciation |  | 584 | 542
Amortization |  | 31 | 34
Defined benefit plans - (income) expense |  | (135) | (101)
Deferred income taxes and investment tax credits |  | 154 | 171
Unrealized (gains) losses on derivatives, and other hedging activities |  | 22 | (91)
Stock-based compensation expense |  | 19 | 16
Other |  | (7) | (9)
Change in current assets and current liabilities |  |  |
Accounts receivable |  | 22 | 46
Accounts payable |  | (102) | (90)
Unbilled revenues |  | 70 | 91
Fuel, materials and supplies |  | 19 | 32
Prepayments |  | (79) | (60)
Regulatory assets and liabilities, net |  | (72) | 42
Accrued interest |  | (63) | (79)
Other current liabilities |  | (85) | (47)
Other |  | 11 | 12
Other operating activities |  |  |
Defined benefit plans - funding |  | (207) | (206)
Proceeds from transfer of excess benefit plan funds |  | 0 | 65
Other assets |  | 11 | (67)
Other liabilities |  | (30) | 57
Net cash provided by operating activities |  | 1,070 | 1,325
Cash Flows from Investing Activities |  |  |
Expenditures for property, plant and equipment |  | (1,474) | (1,527)
Purchase of investments |  | (55) | (65)
Proceeds from the sale of investments |  | 61 | 0
Other investing activities |  | (11) | (57)
Net cash used in investing activities |  | (1,479) | (1,649)
Cash Flows from Financing Activities |  |  |
Issuance of long-term debt |  | 769 | 584
Retirement of Long-term Debt |  | (200) | (250)
Issuance of common stock |  | 35 | 147
Payment of common stock dividends |  | (594) | (558)
Net increase (decrease) in short-term debt |  | 206 | 788
Other financing activities |  | (18) | (16)
Net cash provided by (used in) financing activities |  | 198 | 695
Effect of Exchange Rates on Cash, Cash Equivalents and Restricted Cash |  | (4) | (7)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | (215) | 364
Cash and Cash Equivalents at Beginning of Period |  | 621 |
Cash and Cash Equivalents at End of Period |  | 406 |
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 643 | 511
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 428 | 875
Supplemental Disclosures of Cash Flow Information |  |  |
Accrued expenditures for property, plant and equipment at June 30, |  | 278 | 329
Accrued expenditures for intangible assets at June 30, |  | 59 | 59
PPL Electric Utilities Corp [Member] |  |  |
Cash Flows from Operating Activities |  |  |
Net Income | [1] | 215 | 223
Depreciation |  | 191 | 173
Amortization |  | 11 | 11
Deferred income taxes and investment tax credits |  | 36 | 53
Other |  | (9) | (9)
Change in current assets and current liabilities |  |  |
Accounts receivable |  | 7 | 37
Accounts payable |  | (39) | (60)
Unbilled revenues |  | 31 | 30
Prepayments |  | (64) | (47)
Regulatory assets and liabilities, net |  | (40) | (27)
Taxes payable |  | (4) | (1)
Other |  | (7) | 1
Other operating activities |  |  |
Defined benefit plans - funding |  | (21) | (28)
Other assets |  | 4 | (41)
Other liabilities |  | 3 | 49
Net cash provided by operating activities |  | 314 | 364
Cash Flows from Investing Activities |  |  |
Expenditures for property, plant and equipment |  | (533) | (518)
Other investing activities |  | 3 | (3)
Net cash used in investing activities |  | (530) | (521)
Cash Flows from Financing Activities |  |  |
Issuance of long-term debt |  | 0 | 398
Payment of common stock dividends to parent |  | (215) | (222)
Net increase (decrease) in short-term debt |  | 185 | 0
Contributions from parent |  | 0 | 425
Other financing activities |  | (1) | (4)
Net cash provided by (used in) financing activities |  | (31) | 597
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | (247) | 440
Cash and Cash Equivalents at Beginning of Period |  | 267 |
Cash and Cash Equivalents at End of Period |  | 20 |
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 269 | 51
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 22 | 491
Supplemental Disclosures of Cash Flow Information |  |  |
Accrued expenditures for property, plant and equipment at June 30, |  | 158 | 180
LG And E And KU Energy LLC [Member] |  |  |
Cash Flows from Operating Activities |  |  |
Net Income | [2] | 230 | 228
Depreciation |  | 258 | 235
Amortization |  | 16 | 9
Defined benefit plans - (income) expense |  | 5 | 8
Deferred income taxes and investment tax credits |  | 47 | 30
Other |  | (1) | (1)
Change in current assets and current liabilities |  |  |
Accounts receivable |  | 24 | 16
Accounts payable |  | (34) | (10)
Unbilled revenues |  | 13 | 40
Fuel, materials and supplies |  | 21 | 26
Regulatory assets and liabilities, net |  | (32) | 69
Taxes payable |  | (25) | (25)
Accrued interest |  | 7 | 0
Other |  | (23) | (39)
Other operating activities |  |  |
Defined benefit plans - funding |  | (28) | (122)
Expenditures for asset retirement obligations |  | (45) | (26)
Other assets |  | (1) | (1)
Other liabilities |  | 13 | 3
Net cash provided by operating activities |  | 445 | 440
Cash Flows from Investing Activities |  |  |
Expenditures for property, plant and equipment |  | (530) | (564)
Net cash used in investing activities |  | (530) | (564)
Cash Flows from Financing Activities |  |  |
Net increase (decrease) in notes payable with affiliate |  | 90 | (126)
Proceeds from Related Party Debt |  | 0 | 250
Issuance of long-term debt |  | 705 | 100
Retirement of Long-term Debt |  | (200) | 0
Distributions to member |  | (137) | (161)
Proceeds from Contributions from Affiliates |  | 63 | 0
Net increase (decrease) in short-term debt |  | (418) | 72
Other financing activities |  | (10) | (2)
Net cash provided by (used in) financing activities |  | 93 | 133
Cash and Cash Equivalents, Period Increase (Decrease) |  | 8 | 9
Cash and Cash Equivalents at Beginning of Period |  | 24 | 30
Cash and Cash Equivalents at End of Period |  | 32 | 39
Supplemental Disclosures of Cash Flow Information |  |  |
Accrued expenditures for property, plant and equipment at June 30, |  | 91 | 112
Louisville Gas And Electric Co [Member] |  |  |
Cash Flows from Operating Activities |  |  |
Net Income | [3] | 108 | 122
Depreciation |  | 107 | 97
Amortization |  | 11 | 7
Defined benefit plans - (income) expense |  | 1 | 2
Deferred income taxes and investment tax credits |  | 28 | 18
Change in current assets and current liabilities |  |  |
Accounts receivable |  | 15 | 11
Accounts receivable from affiliates |  | 6 | 6
Accounts payable |  | (16) | (12)
Accounts payable to affiliates |  | (4) | (3)
Unbilled revenues |  | 9 | 24
Fuel, materials and supplies |  | 27 | 31
Regulatory assets and liabilities, net |  | (13) | 32
Taxes payable |  | (7) | (2)
Accrued interest |  | 4 | 0
Other |  | (8) | (7)
Other operating activities |  |  |
Defined benefit plans - funding |  | (4) | (57)
Expenditures for asset retirement obligations |  | (12) | (10)
Other assets |  | (1) | 0
Other liabilities |  | 7 | (4)
Net cash provided by operating activities |  | 258 | 255
Cash Flows from Investing Activities |  |  |
Expenditures for property, plant and equipment |  | (224) | (296)
Net cash used in investing activities |  | (224) | (296)
Cash Flows from Financing Activities |  |  |
Issuance of long-term debt |  | 399 | 100
Retirement of Long-term Debt |  | (200) | 0
Payment of common stock dividends to parent |  | (71) | (81)
Net increase (decrease) in short-term debt |  | (183) | (16)
Contributions from parent |  | 25 | 43
Other financing activities |  | (5) | (1)
Net cash provided by (used in) financing activities |  | (35) | 45
Cash and Cash Equivalents, Period Increase (Decrease) |  | (1) | 4
Cash and Cash Equivalents at Beginning of Period |  | 10 | 15
Cash and Cash Equivalents at End of Period |  | 9 | 19
Supplemental Disclosures of Cash Flow Information |  |  |
Accrued expenditures for property, plant and equipment at June 30, |  | 40 | 57
Kentucky Utilities Co [Member] |  |  |
Cash Flows from Operating Activities |  |  |
Net Income | [4] | 142 | 148
Depreciation |  | 150 | 138
Amortization |  | 5 | 2
Deferred income taxes and investment tax credits |  | 29 | 9
Other |  | (2) | (1)
Change in current assets and current liabilities |  |  |
Accounts receivable |  | 14 | 4
Accounts payable |  | (8) | 11
Accounts payable to affiliates |  | (15) | (12)
Unbilled revenues |  | 4 | 16
Fuel, materials and supplies |  | (6) | (5)
Regulatory assets and liabilities, net |  | (19) | 37
Taxes payable |  | (2) | 4
Accrued interest |  | 3 | 0
Other |  | 1 | (11)
Other operating activities |  |  |
Defined benefit plans - funding |  | (2) | (52)
Expenditures for asset retirement obligations |  | (33) | (16)
Other assets |  | 1 | (1)
Other liabilities |  | 8 | 3
Net cash provided by operating activities |  | 270 | 274
Cash Flows from Investing Activities |  |  |
Expenditures for property, plant and equipment |  | (305) | (266)
Net cash used in investing activities |  | (305) | (266)
Cash Flows from Financing Activities |  |  |
Issuance of long-term debt |  | 306 | 0
Payment of common stock dividends to parent |  | (91) | (136)
Net increase (decrease) in short-term debt |  | (235) | 88
Contributions from parent |  | 68 | 45
Other financing activities |  | (4) | 0
Net cash provided by (used in) financing activities |  | 44 | (3)
Cash and Cash Equivalents, Period Increase (Decrease) |  | 9 | 5
Cash and Cash Equivalents at Beginning of Period |  | 14 | 15
Cash and Cash Equivalents at End of Period |  | 23 | 20
Supplemental Disclosures of Cash Flow Information |  |  |
Accrued expenditures for property, plant and equipment at June 30, |  | $ 52 | $ 55
[1] | Net income equals comprehensive income.
[2] | Net income approximates comprehensive income.
[3] | Net income equals comprehensive income.
[4] | Net income equals comprehensive income.

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- Definition The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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