class XBRL(list):
"""An XBRL instance document"""
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class Fact(dict):
"""An XBRL fact: concept, context, value"""
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class Concept(dict):
"""An XBRL concept"""
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class Context(dict):
"""An XBRL context: company, segment, period"""
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class Period(dict):
"""An XBRL period: start date, end date"""
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class Value(dict):
"""An XBRL value: amount, unit"""
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class Unit(dict):
"""An XBRL unit"""
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class Linkbase(list):
"""An XBRL linkbase"""
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class CalculationLinkbase(Linkbase):
"""An XBRL calculation linkbase"""
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class DefinitionLinkbase(Linkbase):
"""An XBRL definition linkbase"""
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class LabelLinkbase(Linkbase):
"""An XBRL label linkbase"""
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class PresentationLinkbase(Linkbase):
"""An XBRL Presentation linkbase"""
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class Link(dict):
"""An XBRL link"""
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class CalculationLink(Link):
"""An XBRL calculation link"""
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class DefinitionLink(Link):
"""An XBRL definition link"""
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class LabelLink(Link):
"""An XBRL label link"""
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class PresentationLink(Link):
"""An XBRL Presentation link"""
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brka = XBRL(file='brka-20151231.xml')
brka = XBRL('BRKA', 2015)
brka = XBRL('BRKA', 2015, 'FY')
brka = XBRL(file='brka-20160331.xml')
brka = XBRL('BRKA', 2016, 'Q1')
facts = list(brka)
contexts = list(brka.contexts)
units = list(brka.units)
brka_cal = CalculationLinkbase(file='brka-20151231_cal.xml')
brka_cal = CalculationLinkbase('BRKA', 2015)
brka_cal = CalculationLinkbase('BRKA', 2015, 'FY')
brka_def = DefinitionLinkbase(file='brka-20151231_def.xml')
brka_def = DefinitionLinkbase('BRKA', 2015)
brka_def = DefinitionLinkbase('BRKA', 2015, 'FY')
brka_lab = LabelLinkbase(file='brka-20151231_lab.xml')
brka_lab = LabelLinkbase('BRKA', 2015)
brka_lab = LabelLinkbase('BRKA', 2015, 'FY')
brka_pre = PresentationLinkbase(file='brka-20151231_pre.xml')
brka_pre = PresentationLinkbase('BRKA', 2015)
brka_pre = PresentationLinkbase('BRKA', 2015, 'FY')