(Expenses) (Losses) Equity, Beginning Balance (Distributions to Owners) Equity, Ending Balance Balance Sheet [Hypercube] Balance Sheet [Line Items] Balance Sheet [Arithmetic] Assets Liabilities Equity Comprehensive Income Statement [Hypercube] Comprehensive Income Statement [Line Items] Comprehensive Income [Roll Up] Revenues Expenses Gains Losses Comprehensive Income Changes in Equity [Hypercube] Changes in Equity [Line Items] Changes in Equity [Roll Forward] Investments by Owners Distributions to Owners Segment Revenues [Hypercube] Segments [Dimension] All Segments [Member] Segment Alpha [Member] Segment Bravo [Member] Segment Charlie [Member] Segment Revenues [Line Items] Segment Revenues [Set] Variance Analysis [Hypercube] Scenario [Dimension] Actual [Member] Variance [Member] Budgeted [Member] Variance Analysis [Line Items] Variance Analysis [Roll Up]