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Information Relating to the Consolidated Statement of Cash Flows (Tables) | 9 Months Ended
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Sep. 30, 2017
Supplemental Cash Flow Elements [Abstract] |
Net increase in operating working capital | The “Net increase in operating working capital” was composed of the following operating changes:
| Nine Months Ended September 30
| 2017 |  | 2016
| (Millions of dollars)
Decrease (increase) in accounts and notes receivable | $ | 265 |  |  | $ | (455 | )
(Increase) decrease in inventories | (436 | ) |  | 232 |
Decrease in prepaid expenses and other current assets | 196 |  |  | 844 |
Decrease in accounts payable and accrued liabilities | (729 | ) |  | (1,783 | )
Increase (decrease) in income and other taxes payable | 9 |  |  | (104 | )
Net increase in operating working capital | $ | (695 | ) |  | $ | (1,266 | )
Cash payment for interest on debt and for income taxes | “Net Cash Provided by Operating Activities” included the following cash payments for interest on debt and for income taxes:
| Nine Months Ended September 30
| 2017 |  | 2016
| (Millions of dollars)
Interest on debt (net of capitalized interest) | $ | 30 |  |  | $ | 28 |
Income taxes | 2,203 |  |  | 1,492 |
Net sales of marketable securities | The “Net sales of marketable securities” consisted of the following gross amounts:
| Nine Months Ended September 30
| 2017 |  | 2016
| (Millions of dollars)
Marketable securities purchased | $ | (3 | ) |  | $ | (9 | )
Marketable securities sold | 3 |  |  | 11 |
Net sales of marketable securities | $ | — |  |  | $ | 2 |
Schedule of net borrowing of loans by equity affiliates | The “Net borrowing of loans by equity affiliates” consisted of the following gross amounts:
| Nine Months Ended September 30
| 2017 |  | 2016
| (Millions of dollars)
Borrowing of loans by equity affiliates | $ | (142 | ) |  | $ | (2,271 | )
Repayment of loans by equity affiliates | 106 |  |  | 76 |
Net borrowing of loans by equity affiliates | $ | (36 | ) |  | $ | (2,195 | )
Schedule of other short term investments | The “Net (purchases) sales of other short-term investments” consisted of the following gross amounts:
| Nine Months Ended September 30
| 2017 |  | 2016
| (Millions of dollars)
Purchases of other short-term investments | $ | (26 | ) |  | $ | — |
Sales of other short-term investments | 7 |  |  | 155 |
Net (purchases) sales of other short-term investments | $ | (19 | ) |  | $ | 155 |
Schedule of short-term debt | The “Net (repayments) borrowings of short-term obligations" consisted of the following gross and net amounts:
| Nine Months Ended September 30
| 2017 |  | 2016
| (Millions of dollars)
Repayments of short-term obligations | $ | (8,403 | ) |  | $ | (8,415 | )
Proceeds from issuances of short-term obligations | 3,415 |  |  | 11,695 |
Net borrowings of short-term obligations with three months or less maturity | (2,197 | ) |  | (2,411 | )
Net (repayments) borrowings of short-term obligations | $ | (7,185 | ) |  | $ | 869 |
Capital expenditures | The major components of “Capital expenditures” and the reconciliation of this amount to the capital and exploratory expenditures, including equity affiliates, are as follows:
| Nine Months Ended September 30
| 2017 |  | 2016
| (Millions of dollars)
Additions to properties, plant and equipment | $ | 9,615 |  |  | $ | 13,757 |
Additions to investments | 16 |  |  | 38 |
Current year dry hole expenditures | 131 |  |  | 305 |
Payments for other liabilities and assets, net | 1 |  |  | — |
Capital expenditures | 9,763 |  |  | 14,100 |
Expensed exploration expenditures | 368 |  |  | 370 |
Assets acquired through capital lease obligations | 3 |  |  | 4 |
Capital and exploratory expenditures, excluding equity affiliates | 10,134 |  |  | 14,474 |
Company’s share of expenditures by equity affiliates | 3,252 |  |  | 2,693 |
Capital and exploratory expenditures, including equity affiliates | $ | 13,386 |  |  | $ | 17,167 |

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26626-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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