Note 11 - Equity Cash Distributions (Details) - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Feb. 14, 2017 |
Feb. 03, 2017 |
Jan. 18, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Payments to Acquire Businesses, Gross | $ (760) | $ (250) | $ (243) | ||||||||||||
| Increase (Decrease) In Equity Balance Due To Acquisitions | 443 | 211 | 214 | ||||||||||||
| General Partner Distributions | [1] | (158) | (75) | (46) | |||||||||||
| Distribution Made to Limited Partner, Cash Distributions Declared | [1] | (344) | (259) | (171) | |||||||||||
| Distribution Made To Partners, Total Cash Distributions | [1] | (502) | (334) | (217) | |||||||||||
| Subsequent Event | |||||||||||||||
| Distribution Made to Limited Partner, Declaration Date | Feb. 03, 2017 | Jan. 18, 2017 | |||||||||||||
| Cash distribution | $ 140 | $ 77 | |||||||||||||
| Cash distributions paid per unit | $ 0.91 | ||||||||||||||
| Distribution Made to Limited Partner, Date of Record | Feb. 03, 2017 | ||||||||||||||
| Distribution Made to Limited Partner, Distribution Date | Feb. 14, 2017 | ||||||||||||||
| General Partner | |||||||||||||||
| General Partner Distributions | [1] | (10) | (6) | (5) | |||||||||||
| Incentive Distribution, Subsequent Distribution Amount | [1],[2],[3] | 148 | 69 | 41 | |||||||||||
| Common | |||||||||||||||
| Distribution Made to Limited Partner, Cash Distributions Declared | [1] | (344) | (259) | (157) | |||||||||||
| Subordinated | |||||||||||||||
| Distribution Made to Limited Partner, Cash Distributions Declared | [1],[4] | $ 0 | 0 | $ (14) | |||||||||||
| Rockies Natural Gas Business Acquisition | |||||||||||||||
| Managing Member or General Partner, subsequent distribution amount forfeited | $ 10 | ||||||||||||||
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