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- Definition

Number of Renewable Energy Purchase Agreement

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- Definition

[Line Items] for Significant Transactions [Table]

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Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination.

+ References

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Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The net result for the period of deducting operating expenses from operating revenues.

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Significant Transactions Narrative (Details) $ in Millions		1 Months Ended	3 Months Ended		9 Months Ended
Significant Transactions Narrative (Details) $ in Millions	Sep. 18, 2017 USD ($)	Apr. 30, 2017 Licenses	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) agreement Licenses	Sep. 30, 2016 USD ($)
Significant Transactions [Line Items]
Operating income			$ 1,323	$ 1,048	$ 3,776	$ 3,049
Net income			550	$ 366	$ 1,829	$ 1,070
Number of licenses \| Licenses		1,525			1,525
Renewable energy purchase agreements \| agreement					2
Iowa Wireless [Member]
Significant Transactions [Line Items]
Unconsolidated subsidiary ownership percentage	54.00%
Purchase price of unconsolidated subsidiary	$ 25
Hurricane [Member]
Significant Transactions [Line Items]
Operating income			(148)		$ (148)
Net income			$ (90)		$ (90)