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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 1,391 | $ 1,127 | $ 994
Reconciliation of net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 375 | 482 | 249
Inventory valuation adjustments | 7 | 128 | 4
Equity-indexed compensation expense | 116 | 101 | 110
Gain on sales of linefill and base gas | (7) | (19) | (21)
Settlement of terminated interest rate and foreign currency hedging instruments | 8 | (112) | 12
Other | (10) | (1) | 15
Changes in assets and liabilities, net of acquisitions: |  |  |
Trade accounts receivable and other | (186) | 218 | 83
Inventory | 134 | (180) | 518
Accounts payable and other current liabilities | 126 | (504) | 401
Net cash provided by operating activities | 1,954 | 1,240 | 2,365
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Cash paid in connection with acquisitions, net of cash acquired (Note 3) | (28) | (2,156) | (1,390)
Change in restricted cash |  |  | 20
Additions to property, equipment and other | (1,613) | (1,204) | (635)
Cash received for sales of linefill and base gas | 40 | 65 | 56
Cash paid for purchases of linefill and base gas | (122) | (109) | (78)
Investment in unconsolidated entities | (133) | (76) |
Proceeds from sales of assets | 200 | 22 | 12
Cash received upon formation of equity-method investment |  | 59 |
Other investing activities | 3 | 7 | (5)
Net cash used in investing activities | (1,653) | (3,392) | (2,020)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Net borrowings/(repayments) under PAA senior secured hedged inventory facility (Note 9) | (660) | 591 | (425)
Net borrowings/(repayments) under PAA senior unsecured revolving credit facility (Note 9) | (92) | 59 | (793)
Net borrowings/(repayments) under PNG credit agreement (Note 9) | (382) | 61 | 62
Net borrowings under PAA commercial paper program (Note 9) | 1,110 |  |
Proceeds from the issuance of senior notes | 699 | 1,996 | 597
Repayments of senior notes | (250) | (500) | (200)
Net proceeds from the issuance of common units (Note 10) | 490 | 979 | 889
Net proceeds from the issuance of PNG common units | 40 |  | 370
Distributions paid to common unitholders (Note 10) | (791) | (684) | (575)
Distributions paid to general partner (Note 10) | (369) | (285) | (216)
Distributions paid to noncontrolling interests | (49) | (48) | (40)
Other financing activities | (27) | (18) | (14)
Net cash provided by/(used in) financing activities | (281) | 2,151 | (345)
Effect of translation adjustment on cash | (3) | (1) | (10)
Net increase/(decrease) in cash and cash equivalents | 17 | (2) | (10)
Cash and cash equivalents, beginning of period | 24 | 26 | 36
Cash and cash equivalents, end of period | 41 | 24 | 26
Cash paid for: |  |  |
Interest, net of amounts capitalized | 305 | 295 | 254
Income taxes, net of amounts refunded | $ 37 | $ 71 | $ 11

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- Definition The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The net cash inflow or cash outflow from issuing (borrowing) and repaying commercial paper. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
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- Definition The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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