Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The fair value hierarchy for assets and liabilities measured at fair value on a recurring basis at September 30, 2019, and December 31, 2018, is as follows:

Assets and Liabilities Measured at Fair Value on a Recurring Basis

(Millions of dollars)

	At September 30, 2019								At December 31, 2018
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Marketable Securities	$	58	$	58	$	—	$	—	$	53	$	53	$	—	$	—
Derivatives	52		31		21		—		283		185		98		—
Total Assets at Fair Value	$	110	$	89	$	21	$	—	$	336	$	238	$	98	$	—
Derivatives	21		14		7		—		12		—		12		—
Total Liabilities at Fair Value	$	21	$	14	$	7	$	—	$	12	$	—	$	12	$	—

Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis

The fair value hierarchy for assets and liabilities measured at fair value on a nonrecurring basis at September 30, 2019, is as follows:

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

(Millions of dollars)

	At September 30, 2019
									Before-Tax Loss
									Three Months Ended		Nine Months Ended
	Total		Level 1		Level 2		Level 3
Properties, plant and equipment, net (held and used)	$	—	$	—	$	—	$	—	$	—	$	7
Properties, plant and equipment, net (held for sale)	117		—		117		—		55		85
Investments and advances	—		—		—		—		2		7
Total Assets at Fair Value	$	117	$	—	$	117	$	—	$	57	$	99