Cash, Cash Equivalents and Restricted Cash (Tables)

3 Months Ended

Mar. 31, 2018

Cash and Cash Equivalents [Abstract]

Restrictions on Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents and restricted cash as reported within our Consolidated Condensed Statements of Cash Flows:



	Three Months Ended March 31,
Millions of dollars	2018		2017
Cash and cash equivalents as presented in our Consolidated Condensed Balance Sheets	1,041		951
Restricted cash included in prepaid and other current assets	49		45
Restricted cash included in other noncurrent assets	34		88
Cash, cash equivalents and restricted cash as presented in our Consolidated Condensed Statements of Cash Flows	$	1,124	$	1,084

*Change in restricted cash resulted in realization of foreign currency translation adjustments of ($3 million) and ($1 million), respectively, for the three months ended March 31, 2018 and 2017.



	December 31,
Millions of dollars	2017		2016
Cash and cash equivalents as presented in our Consolidated Condensed Balance Sheets	1,196		1,085
Restricted cash included in prepaid and other current assets	48		45
Restricted cash included in other noncurrent assets	49		110
Cash, cash equivalents and restricted cash as presented in our Consolidated Condensed Statements of Cash Flows	$	1,293	$	1,240

Schedule of Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents and restricted cash as reported within our Consolidated Condensed Statements of Cash Flows:



	Three Months Ended March 31,
Millions of dollars	2018		2017
Cash and cash equivalents as presented in our Consolidated Condensed Balance Sheets	1,041		951
Restricted cash included in prepaid and other current assets	49		45
Restricted cash included in other noncurrent assets	34		88
Cash, cash equivalents and restricted cash as presented in our Consolidated Condensed Statements of Cash Flows	$	1,124	$	1,084

*Change in restricted cash resulted in realization of foreign currency translation adjustments of ($3 million) and ($1 million), respectively, for the three months ended March 31, 2018 and 2017.



	December 31,
Millions of dollars	2017		2016
Cash and cash equivalents as presented in our Consolidated Condensed Balance Sheets	1,196		1,085
Restricted cash included in prepaid and other current assets	48		45
Restricted cash included in other noncurrent assets	49		110
Cash, cash equivalents and restricted cash as presented in our Consolidated Condensed Statements of Cash Flows	$	1,293	$	1,240