Document and Entity Information [Abstract] Document Information [Table] Legal Entity [Axis] Entity [Domain] Represents the Retirement Plan. E B P 030 [Member] 401(K) AND EMPLOYEE STOCK OWNERSHIP PLAN Document Information [Line Items] Document Type Entity Registrant Name Entity Central Index Key Amendment Flag Statements of Net Assets Available for Benefits EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] Statements of Net Assets Available for Benefits [Line Items] EBP, Asset [Abstract] Assets: EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Total investments Common stock value EBP, Receivable [Abstract] Receivables: EBP, Employer Contribution, Receivable Employer contributions EBP, Note Receivable from Participant Notes receivable from participants EBP, Receivable Total receivables EBP, Net Asset Available for Benefit End of the year Beginning of the year Net assets available for benefits Statements of Changes in Net Assets Available for Benefits EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Statements of Changes in Net Assets Available for Benefits [Line Items] EBP, Change in Net Asset Available for Benefit, Increase [Abstract] Additions: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Investment income: EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment Dividends and interest EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Net appreciation in fair value of investments Loss on investment EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Total net investment income EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Participant EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Employer EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Rollovers EBP, Change in Net Asset Available for Benefit, Increase from Contribution Total contributions EBP, Change in Net Asset Available for Benefit, Increase Total additions EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Deductions: Amount of decrease in net asset available for benefit from payment of benefit to participant and loans deemed distributed in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, withdrawal. EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant And Loans Deemed Distributed Distributions to participants and loans deemed distributed EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease Total deductions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Net (decrease) increase in net assets EBP, Net Asset Available for Benefit [Abstract] Net assets available for benefits: Description of the Plan EBP, Description of Plan [Table] EBP, Description of Plan [Line Items] Description of the Plan Plan Termination EBP, Description of Plan [Text Block] Description of the Plan Summary of Significant Accounting Policies EBP, Accounting Policy [Table] EBP, Accounting Policy [Line Items] Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Summary of Significant Accounting Policies Fair Value Measurements EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Line Items] Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Fair Value Measurements No definition available. Plan Termination EBP, Plan Termination [Text Block] Plan Termination Federal Income Tax Status EBP, Tax Status [Table] EBP, Tax Status [Line Items] Federal Income Tax Status EBP, Tax Status [Text Block] Federal Income Tax Status Related Party and Party-In-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Line Items] Related Party and Party-In-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] Related Party and Party-In-Interest Transactions Concentrations, Risks and Uncertainties EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Line Items] Concentrations, Risks and Uncertainties EBP, Risk and Uncertainty [Text Block] Concentrations, Risks and Uncertainties Subsequent Events EBP, Subsequent Event [Table] EBP, Subsequent Event [Line Items] Subsequent Events EBP, Subsequent Event [Text Block] Subsequent Events Schedule H, Line 4i-Schedule of Assets (Held at End of Year) EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Line Items] Schedule H, Line 4i-Schedule of Assets (Held at End of Year) EBP, Schedule of Asset Held for Investment [Text Block] Schedule H, Line 4i-Schedule of Assets (Held at End of Year) EBP, Basis of Accounting [Policy Text Block] Basis of Accounting EBP, Investment [Policy Text Block] Investment Valuation EBP, Contribution [Policy Text Block] Contributions Disclosure of accounting policy for determining income recognition to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Income Recognition [Policy Text Block] Income Recognition Disclosure of accounting policy for distributions to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Distributions [Policy Text Block] Distributions EBP, Expense [Policy Text Block] Expenses of the Plan EBP, Use of Estimate [Policy Text Block] Estimates EBP, Note Receivable from Participant [Policy Text Block] Notes Receivable from Participants EBP, Investment, Fair Value and NAV [Table Text Block] Schedule of fair value measurements EBP, Risk and Uncertainty [Table Text Block] Schedule of investments individually represent 10 percent or more of the Plan's net assets available for benefits Represents the minimum age criteria for plan eligibility under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Age For Plan Eligibility Minimum age for Plan eligibility Represents the minimum service period for plan eligibility for temporary or seasonal employees under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Service Period For Plan Eligibility, For Temporary Or Seasonal Employees Minimum service period for Plan eligibility Number of days after which employee gets automatically enrolled after eligibility under (employee benefit plan (EBP)). Employee Benefit Plan, Automatic Enrollment, On Eligibility, Period Period after which employees gets automatically enrolled Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum [Member] Minimum Maximum [Member] Maximum Scenario [Axis] Scenario [Domain] Represents information to general employees. General Employees [Member] General employees Represents information pertaining to BATC employees not participants in the Ball Corporation Economic Value Added Incentive Compensation Plan. BATC Employees Not Participants In The Ball Corporation Economic Value Added Incentive Compensation Plan [Member] BATC employees not participants in the Ball Corporation Economic Value Added Incentive Compensation Plan EBP, Employer Contribution, Matching Percentage Employer contribution Percentage of non-elective company contribution, applicable for salaried and non-union hourly employees hired under (employee benefit plan (EBP)). Percentage Of Non Elective Company Contribution Percentage of non-elective company contribution Amount of non-elective company contribution made during the period under (employee benefit plan (EBP)). Non Elective Company Contribution, Amount Non-elective company contribution Amount of non-elective company contribution made during the period for BATC employees under (employee benefit plan (EBP)). Non-Elective Company Contribution, BATC Employees Non-elective company contribution, BATC employees Represents the range of the Economic Value Added (EVA) performance factor applicable to determining additional matching contributions for eligible BATC employees. The factor ranges between 0 and 1 (inclusive) and is used to adjust the amount of employer contributions. Employee Benefit Plan, Range Factor, Range Represents the multiplier applied to the calculated BATC-related matching contribution based on the Economic Value Added performance factor. Employee Benefit Plan, Enhancement Multiplier Enhancement Multiplier Represents the actual Economic Value Added (EVA) performance factor achieved for a specified plan year. Employee Benefit Plan, Factor Achieved Factor achieved Represents the total employer contributions. Employee Benefit Plan, Performance Sharing Matching Contribution Amount Contribution amount Represents the maximum total employer contribution. Employee Benefit Plan, Additional Employer Contribution Amount Additional contribution amount Represents the percentage of vesting. Employee Benefit Plan, Vesting Percentage Vesting percentage Represents the period of vesting. Employee Benefit Plan, Vesting Period Vesting period EBP, Forfeited Nonvested Account Forfeiture balance EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Forfeiture balances used for employer contributions EBP, Forfeited Nonvested Account, Decrease from Administrative Expense Forfeiture balances used to pay administrative expenses Amount of uncashed check balance. Payments Issued But Not Yet Claimed Or Cleared Uncashed checks Represents information pertaining to total vest value $7,000 or less. Total Vest Value $7,000 Or Less [Member] Total vest value $7,000 or less Represents information pertaining to total vest value $1,000 or less. Total Vest Value $1,000 Or Less [Member] Total vest value $1,000 or less Represents information pertaining to total vest value more than $1,000 but less than or equal to $7,000. Total Vest Value More Than $1,000 But Less Than Or Equal To $7,000 [Member] Total vest value more than $1,000 but less than or equal to $7,000 Amount of vested balance distribution threshold. Employee Benefit Plan, Vested Balance, Distributions Threshold Vested Balance, Distributions Threshold Represents information pertaining to non-residential loan. Nonresidential Loan [Member] Nonresidential loan Represents information pertaining to residential loan. Residential Loan [Member] Residential loan Represents the percentage points added to the prime rate to compute the interest rate on participant loans. Employee Benefit Plan, Note Receivable From Participant, Basis Spread On Prime Rate Basis spread on prime rate (as a percent) EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Maximum amount that participant may borrow EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Maximum borrowing as a percentage of account balance Maximum term a participant can have for a loan. EBP, Asset Held for Investment, Participant Loan, Maximum Term Maximum term for a loan Maximum number of loans an active participant can have outstanding at any time. EBP, Asset Held for Investment, Participant Loan, Maximum Number Of Loans Maximum number of loans EBP, Asset Held for Investment, Participant Loan, Interest Rate Interest rates of notes receivable from participants Represents the concentration limit on investments in a common stock fund within an employee benefit plan, defined by a threshold percentage of a participant's account balance. Employee Benefit Plan, Common Stock Fund, Restriction Threshold Common Stock Fund, Restriction Threshold Assumed retirement age under the EBP. Employee Benefit Plan, Assumed Retirement Age Assumed retirement age Expense ratio as a percentage of fund's assets. Employee Benefit Plan, Expense Ratio Expense ratio Amount of annual recordkeeping fees per participant paid by the plan participants under employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Annual Recordkeeping Fee Per Participant, Amount Annual recordkeeping fee per participant Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Total fair value Fair Value, Inputs, Level 1 [Member] Level 1 Fair Value Measured at Net Asset Value Per Share [Member] Collective investment trusts (measured at net asset value) Investment Type [Axis] Investments [Domain] Mutual Fund [Member] Mutual Funds EBP, Employer, Common Stock Fund [Member] Ball Corporation Common Stock Common Collective Trust [Member] Collective Investment Trusts Represents information pertaining to Target Date Funds. Target Date Funds [Member] Target Date Funds Represents information pertaining to Stable Value Fund. Stable Value Fund [Member] Stable Value Fund Represents information pertaining to Large Growth Fund. Large Growth Fund [Member] Large Growth Fund Represents information pertaining to Large Value Equity Fund. Large Value Equity Fund [Member] Large Value Equity Fund Represents information pertaining to Large Equity Index Fund. Large Equity Index Fund [Member] Large Equity Index Fund Represents information pertaining to SMID Equity Index Fund. SMID Equity Index Fund [Member] SMID Equity Index Fund Represents information pertaining to Broad Market Fixed Income Fund. Broad Market Fixed Income Fund [Member] Broad Market Fixed Income Fund Represents information pertaining to Bond Market Index Fund. Bond Market Index Fund [Member] Bond Market Index Fund Represents information pertaining to Non-U.S. Equity Index Fund. Non-U.S. Equity Index Fund [Member] Non-U.S. Equity Index Fund Represents information pertaining to Non-Lending Series Fund. Non-Lending Series Fund [Member] Non-Lending Series Fund Redemption frequency of the investments in the funds. Employee Benefit Plan, Investment, NAV, Redemption Frequency, Period Redemption Frequency EBP, Fair Value, Investment, NAV, Redemption, Notice Period Redemption Notice Period Represents the vesting percentage in the event of plan termination. Employee Benefit Plan, Plan Termination, Vesting Percentage Vesting percentage in the event of plan termination EBP, Tax Determination Letter, Obtained [true false] Receipt of determination letter EBP, Tax Determination Letter, Date Determination letter date EBP, Employer, Common Stock [Member] Ball Corporation Common Stock EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Domain] Represents the sponsor in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Sponsor [Member] Plan Sponsor EBP, Investment, Number of Shares Shares held EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Cost Purchases of common stock EBP, Investment Sold, Excluding Plan Interest in Master Trust, Selling Price Sales of common stock EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Dividend earned Represents information pertaining to BlackRock Equity Index Fund GG, a common collective trust. BlackRock Equity Index Fund GG, Common Collective Trust [Member] BlackRock Equity Index Fund GG EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Net Assets, Amount Investments individually represent 10 percent or more of the Plan's net assets available for benefits Investment, Identifier [Axis] Entity Tax Identification Number Entity tax identification number EBP, Plan Number Plan number EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Current Value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Notes receivable from participants EBP, Asset Held for Investment Total Investments at fair value and notes receivable from participants EBP, Asset Held for Investment, Party-in-Interest [true false] EBP, Asset Held for Investment, Party-in-Interest [true false] EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration]