SHAREOWNERS’ EQUITY - Redeemable Noncontrolling Interests (Narrative) (Details) € in Millions |
1 Months Ended | 9 Months Ended | 12 Months Ended |
---|---|---|---|
Sep. 30, 2018
EUR (€)
|
Sep. 30, 2018 |
Dec. 31, 2015
joint_venture
|
|
Redeemable Noncontrolling Interest [Line Items] | |||
Number of joint ventures formed | joint_venture | 3 | ||
Grid Technology and Renewable Energy Joint Ventures | |||
Redeemable Noncontrolling Interest [Line Items] | |||
Annual accretion (as a percent) | 3.00% | ||
Nuclear and French Steam Power Joint Venture | |||
Redeemable Noncontrolling Interest [Line Items] | |||
Annual accretion (as a percent) | 2.00% | ||
Amount to be paid to exercise redemption rights | € 125 | ||
Renewable Energy Joint Venture | |||
Redeemable Noncontrolling Interest [Line Items] | |||
Annual accretion (as a percent) | 3.00% | ||
Amount to be paid to exercise redemption rights | 638 | ||
Grid Technology Joint Venture | |||
Redeemable Noncontrolling Interest [Line Items] | |||
Amount to be paid to exercise redemption rights | € 1,832 |