Investment in Cenovus Energy	9 Months Ended
Sep. 30, 2020
Investment In Cenovus Energy [Abstract]
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	Note 6—Investment in Cenovus Energy On May 17, 2017, we completed the sale of our 50 percent nonoperated interest in the FCCL Partnership, as well as the majority of our western Canada gas assets, to Cenovus Energy. Consideration for the transaction included 208 million Cenovus Energy common shares, which, at closing, approximated 16.9 percent of issued and outstanding Cenovus Energy common stock. The fair value and cost basis of our investment in 208 million Cenovus Energy common shares was $ 1.96 billion based on a price of $ 9.41 per share on the NYSE on the closing date. At September 30, 2020, the investment included on our consolidated balance sheet was $ 809 million and is carried at fair value. The fair value of the 208 million Cenovus Energy common shares reflects the closing price of $ 3.89 per share on the NYSE on the last trading day of the quarter, a decrease of $ 1.30 billion from its fair value of $ 2.11 billion at year-end 2019. For the three- and nine-month periods ended September 30, 2020, we recorded an unrealized loss of $ 162 million and $ 1.30 billion, respectively. For the three- and nine-month periods ended September 30, 2019, we recorded an unrealized gain of $ 116 million and $ 489 million, respectively. The unrealized gains and losses are recorded within the “Other income (loss)” line of our consolidated income statement and are related to the shares held at the reporting date. See Note 14—Fair Value Measurement, for additional information. Subject to market conditions, we intend to decrease our investment over time through market transactions, private agreements or otherwise.

Note 6—Investment in Cenovus Energy

On May 17, 2017, we completed the sale of our

percent nonoperated interest in the FCCL Partnership,

well as the majority of our western Canada gas assets,

to Cenovus Energy.

Consideration for the transaction

included

208

million Cenovus Energy common shares, which,

at closing, approximated

16.9

percent of issued

and outstanding Cenovus Energy common stock.

The fair value and cost basis of our investment

208

million Cenovus Energy common shares was $

1.96

billion based on a price of $

9.41

per share on the NYSE on

the closing date.

At September 30, 2020, the investment included on

our consolidated balance sheet was $

809

million and is

carried at fair value.

The fair value of the

208

million Cenovus Energy common shares reflects

the closing

price of $

3.89

per share on the NYSE on the last trading day

of the quarter, a decrease of $

1.30

billion from its

fair value of $

2.11

billion at year-end 2019.

For the three- and nine-month periods ended September

30, 2020,

we recorded an unrealized loss of $

162

million and $

1.30

billion, respectively.

For the three- and nine-month

periods ended September 30, 2019, we recorded

an unrealized gain of $

116

million and $

489

million,

respectively.

The unrealized gains and losses are recorded within

the “Other income (loss)” line of our

consolidated income statement and are related to the

shares held at the reporting date.

See Note 14—Fair

Value

Measurement, for additional information.

Subject to market conditions, we intend to decrease

our

investment over time through market transactions,

private agreements or otherwise.