Cash, Cash Equivalents and Restricted Cash (Tables)

12 Months Ended

Dec. 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 Statements of Cash Flows:

	December 31
Millions of dollars	2018		2017		2016
Cash and cash equivalents as presented in our Consolidated Balance Sheets	$	1,498	$	1,196	$	1,085
Restricted cash included in prepaid and other current assets (1)	40		48		45
Restricted cash included in other noncurrent assets (1)	—		49		110
Cash, cash equivalents and restricted cash as presented in our Consolidated Statements of Cash Flows	$	1,538	$	1,293	$	1,240

⁽¹⁾Change in restricted cash resulted in realization of foreign currency translation adjustments of $3 million and ($8 million), respectively, for the twelve months ended December 31, 2018 and 2017 compared to the prior year.

Schedule of Cash and Cash Equivalents

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

	December 31
Millions of dollars	2018		2017		2016
Cash and cash equivalents as presented in our Consolidated Balance Sheets	$	1,498	$	1,196	$	1,085
Restricted cash included in prepaid and other current assets (1)	40		48		45
Restricted cash included in other noncurrent assets (1)	—		49		110
Cash, cash equivalents and restricted cash as presented in our Consolidated Statements of Cash Flows	$	1,538	$	1,293	$	1,240

⁽¹⁾Change in restricted cash resulted in realization of foreign currency translation adjustments of $3 million and ($8 million), respectively, for the twelve months ended December 31, 2018 and 2017 compared to the prior year.