Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Lease Cost

				Operating Leases
					Drilling Rigs
					and Related						Finance
					Equipment		Other		Total		Leases
					(millions of dollars)

Lease Cost					2019
Operating lease cost					238		1,196		1,434
Short-term and other (net of sublease rental income)					926		1,116		2,042

Amortization of right of use assets											121
Interest on lease liabilities											133
	Total				1,164		2,312		3,476		254

Right Of Use Assets And Lease Liabilities

				Operating Leases
					Drilling Rigs
					and Related						Finance
					Equipment		Other		Total		Leases
					(millions of dollars)

Balance Sheet					December 31, 2019
Right of use assets
	Included in Other assets, including intangibles - net				572		6,061		6,633
	Included in Property, plant and equipment - net										1,997
		Total right of use assets			572		6,061		6,633		1,997

Lease liability due within one year
	Included in Accounts payable and accrued liabilities				221		990		1,211		15
	Included in Notes and loans payable										84
Long-term lease liability
	Included in Other long-term obligations				330		4,152		4,482
	Included in Long-term debt										1,670
	Included in Long-term obligations to equity companies										139
		Total lease liability			551		5,142		5,693		1,908

Maturity Analysis of Operating Leased Facilities

				Operating Leases
					Drilling Rigs
					and Related						Finance
					Equipment		Other		Total		Leases
					(millions of dollars)

Maturity Analysis of Lease Liabilities					December 31, 2019
2020					234		1,127		1,361		271
2021					134		886		1,020		576
2022					73		625		698		174
2023					45		468		513		173
2024					30		425		455		172
2025 and beyond					72		2,681		2,753		2,446
	Total lease payments				588		6,212		6,800		3,812
Discount to present value					(37)		(1,070)		(1,107)		(1,904)
	Total lease liability				551		5,142		5,693		1,908

Weighted average remaining lease term - years					4		11		10		20
Weighted average discount rate - percent					3.1%		3.2%		3.2%		9.7%

Maturity Analysis of Finance Leased Facilities

				Operating Leases
					Drilling Rigs
					and Related						Finance
					Equipment		Other		Total		Leases
					(millions of dollars)

Maturity Analysis of Lease Liabilities					December 31, 2019
2020					234		1,127		1,361		271
2021					134		886		1,020		576
2022					73		625		698		174
2023					45		468		513		173
2024					30		425		455		172
2025 and beyond					72		2,681		2,753		2,446
	Total lease payments				588		6,212		6,800		3,812
Discount to present value					(37)		(1,070)		(1,107)		(1,904)
	Total lease liability				551		5,142		5,693		1,908

Weighted average remaining lease term - years					4		11		10		20
Weighted average discount rate - percent					3.1%		3.2%		3.2%		9.7%

Operating And Finance Leases Other Information

				Operating Leases
					Drilling Rigs
					and Related						Finance
					Equipment		Other		Total		Leases
					(millions of dollars)

Other Information					2019
Cash paid for amounts included in the measurement of lease liabilities
	Cash flows from operating activities						1,116		1,116		54
	Cash flows from investing activities				258				258
	Cash flows from financing activities										177

Noncash right of use assets recorded for lease liabilities
	For January 1 adoption of Topic 842				445		2,818		3,263
	In exchange for new lease liabilities during the period				350		3,313		3,663		422