Information Relating to the Consolidated Statement of Cash Flows (Tables)

3 Months Ended

Mar. 31, 2013

Supplemental Cash Flow Elements [Abstract]

Net (increase) decrease in operating working capital

The “Net increase in operating working capital” was composed of the following operating changes:

	Three Months Ended March 31
	2013			2012
	(Millions of dollars)
Increase in accounts and notes receivable	$	(994	)	$	(153	)
Increase in inventories	(520		)	(1,847		)
Increase in prepaid expenses and other current assets	(437		)	(119		)
Decrease in accounts payable and accrued liabilities	(1,759		)	(1,027		)
Increase in income and other taxes payable	350			351
Net increase in operating working capital	$	(3,360	)	$	(2,795	)

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:

	Three Months Ended March 31
	2013		2012
	(Millions of dollars)
Interest on debt (net of capitalized interest)	$	—	$	36
Income taxes	3,434		4,140

Net sales (purchases) of time deposits

The “Net (purchases) sales of time deposits” consisted of the following gross amounts:

	Three Months Ended March 31
	2013			2012
	(Millions of dollars)
Time deposits purchased	$	(708	)	$	(8	)
Time deposits matured	8			3,308
Net (purchases) sales of time deposits	$	(700	)	$	3,300

Net sales (purchases) of marketable securities

The “Net sales of marketable securities” consisted of the following gross amounts:

	Three Months Ended March 31
	2013		2012
	(Millions of dollars)
Marketable securities purchased	$	—	$	—
Marketable securities sold	—		11
Net sales of marketable securities	$	—	$	11

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:

	Three Months Ended March 31
	2013			2012
	(Millions of dollars)
Additions to properties, plant and equipment	$	7,935		$	5,511
Additions to investments	262			192
Current year dry hole expenditures	12			205
Payments for other liabilities and assets, net	(17		)	(13		)
Capital expenditures	8,192			5,895
Expensed exploration expenditures	235			161
Assets acquired through capital lease obligations	2			—
Capital and exploratory expenditures, excluding equity affiliates	8,429			6,056
Company’s share of expenditures by equity affiliates	453			361
Capital and exploratory expenditures, including equity affiliates	$	8,882		$	6,417